25289000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 128

約数和(自身を含む): 68515200

約数和(自身を除く): 43226200

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 121, 125, 152, 190, 200, 209, 220, 242, 250, 275, 380, 418, 440, 475, 484, 500, 550, 605, 760, 836, 950, 968, 1000, 1045, 1100, 1210, 1331, 1375, 1672, 1900, 2090, 2200, 2299, 2375, 2420, 2662, 2750, 3025, 3800, 4180, 4598, 4750, 4840, 5225, 5324, 5500, 6050, 6655, 8360, 9196, 9500, 10450, 10648, 11000, 11495, 12100, 13310, 15125, 18392, 19000, 20900, 22990, 24200, 25289, 26125, 26620, 30250, 33275, 41800, 45980, 50578, 52250, 53240, 57475, 60500, 66550, 91960, 101156, 104500, 114950, 121000, 126445, 133100, 166375, 202312, 209000, 229900, 252890, 266200, 287375, 332750, 459800, 505780, 574750, 632225, 665500, 1011560, 1149500, 1264450, 1331000, 2299000, 2528900, 3161125, 5057800, 6322250, 12644500, 25289000]

約数ペア:

[(1, 25289000), (2, 12644500), (4, 6322250), (5, 5057800), (8, 3161125), (10, 2528900), (11, 2299000), (19, 1331000), (20, 1264450), (22, 1149500), (25, 1011560), (38, 665500), (40, 632225), (44, 574750), (50, 505780), (55, 459800), (76, 332750), (88, 287375), (95, 266200), (100, 252890), (110, 229900), (121, 209000), (125, 202312), (152, 166375), (190, 133100), (200, 126445), (209, 121000), (220, 114950), (242, 104500), (250, 101156), (275, 91960), (380, 66550), (418, 60500), (440, 57475), (475, 53240), (484, 52250), (500, 50578), (550, 45980), (605, 41800), (760, 33275), (836, 30250), (950, 26620), (968, 26125), (1000, 25289), (1045, 24200), (1100, 22990), (1210, 20900), (1331, 19000), (1375, 18392), (1672, 15125), (1900, 13310), (2090, 12100), (2200, 11495), (2299, 11000), (2375, 10648), (2420, 10450), (2662, 9500), (2750, 9196), (3025, 8360), (3800, 6655), (4180, 6050), (4598, 5500), (4750, 5324), (4840, 5225)]