20046576400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{5233}}^1$

素因数の和:5469

約数の個数: 120

約数和(自身を含む): 49272645704

約数和(自身を除く): 29226069304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 157, 200, 244, 305, 314, 400, 488, 610, 628, 785, 976, 1220, 1256, 1525, 1570, 2440, 2512, 3050, 3140, 3925, 4880, 5233, 6100, 6280, 7850, 9577, 10466, 12200, 12560, 15700, 19154, 20932, 24400, 26165, 31400, 38308, 41864, 47885, 52330, 62800, 76616, 83728, 95770, 104660, 130825, 153232, 191540, 209320, 239425, 261650, 319213, 383080, 418640, 478850, 523300, 638426, 766160, 821581, 957700, 1046600, 1276852, 1596065, 1643162, 1915400, 2093200, 2553704, 3192130, 3286324, 3830800, 4107905, 5107408, 6384260, 6572648, 7980325, 8215810, 12768520, 13145296, 15960650, 16431620, 20539525, 25537040, 31921300, 32863240, 41079050, 50116441, 63842600, 65726480, 82158100, 100232882, 127685200, 164316200, 200465764, 250582205, 328632400, 400931528, 501164410, 801863056, 1002328820, 1252911025, 2004657640, 2505822050, 4009315280, 5011644100, 10023288200, 20046576400]

約数ペア:

[(1, 20046576400), (2, 10023288200), (4, 5011644100), (5, 4009315280), (8, 2505822050), (10, 2004657640), (16, 1252911025), (20, 1002328820), (25, 801863056), (40, 501164410), (50, 400931528), (61, 328632400), (80, 250582205), (100, 200465764), (122, 164316200), (157, 127685200), (200, 100232882), (244, 82158100), (305, 65726480), (314, 63842600), (400, 50116441), (488, 41079050), (610, 32863240), (628, 31921300), (785, 25537040), (976, 20539525), (1220, 16431620), (1256, 15960650), (1525, 13145296), (1570, 12768520), (2440, 8215810), (2512, 7980325), (3050, 6572648), (3140, 6384260), (3925, 5107408), (4880, 4107905), (5233, 3830800), (6100, 3286324), (6280, 3192130), (7850, 2553704), (9577, 2093200), (10466, 1915400), (12200, 1643162), (12560, 1596065), (15700, 1276852), (19154, 1046600), (20932, 957700), (24400, 821581), (26165, 766160), (31400, 638426), (38308, 523300), (41864, 478850), (47885, 418640), (52330, 383080), (62800, 319213), (76616, 261650), (83728, 239425), (95770, 209320), (104660, 191540), (130825, 153232)]