12559900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 29060640

約数和(自身を除く): 16500740

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 61, 71, 100, 116, 122, 142, 145, 244, 284, 290, 305, 355, 580, 610, 710, 725, 1220, 1420, 1450, 1525, 1769, 1775, 2059, 2900, 3050, 3538, 3550, 4118, 4331, 6100, 7076, 7100, 8236, 8662, 8845, 10295, 17324, 17690, 20590, 21655, 35380, 41180, 43310, 44225, 51475, 86620, 88450, 102950, 108275, 125599, 176900, 205900, 216550, 251198, 433100, 502396, 627995, 1255990, 2511980, 3139975, 6279950, 12559900]

約数ペア:

[(1, 12559900), (2, 6279950), (4, 3139975), (5, 2511980), (10, 1255990), (20, 627995), (25, 502396), (29, 433100), (50, 251198), (58, 216550), (61, 205900), (71, 176900), (100, 125599), (116, 108275), (122, 102950), (142, 88450), (145, 86620), (244, 51475), (284, 44225), (290, 43310), (305, 41180), (355, 35380), (580, 21655), (610, 20590), (710, 17690), (725, 17324), (1220, 10295), (1420, 8845), (1450, 8662), (1525, 8236), (1769, 7100), (1775, 7076), (2059, 6100), (2900, 4331), (3050, 4118), (3538, 3550)]