25845700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 60273920

約数和(自身を除く): 34428220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 223, 244, 305, 380, 446, 475, 610, 892, 950, 1115, 1159, 1220, 1525, 1900, 2230, 2318, 3050, 4237, 4460, 4636, 5575, 5795, 6100, 8474, 11150, 11590, 13603, 16948, 21185, 22300, 23180, 27206, 28975, 42370, 54412, 57950, 68015, 84740, 105925, 115900, 136030, 211850, 258457, 272060, 340075, 423700, 516914, 680150, 1033828, 1292285, 1360300, 2584570, 5169140, 6461425, 12922850, 25845700]

約数ペア:

[(1, 25845700), (2, 12922850), (4, 6461425), (5, 5169140), (10, 2584570), (19, 1360300), (20, 1292285), (25, 1033828), (38, 680150), (50, 516914), (61, 423700), (76, 340075), (95, 272060), (100, 258457), (122, 211850), (190, 136030), (223, 115900), (244, 105925), (305, 84740), (380, 68015), (446, 57950), (475, 54412), (610, 42370), (892, 28975), (950, 27206), (1115, 23180), (1159, 22300), (1220, 21185), (1525, 16948), (1900, 13603), (2230, 11590), (2318, 11150), (3050, 8474), (4237, 6100), (4460, 5795), (4636, 5575)]