24857500

素因数分解:

$2^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 60

約数和(自身を含む): 55588456

約数和(自身を除く): 30730956

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 163, 244, 250, 305, 326, 500, 610, 625, 652, 815, 1220, 1250, 1525, 1630, 2500, 3050, 3260, 4075, 6100, 7625, 8150, 9943, 15250, 16300, 19886, 20375, 30500, 38125, 39772, 40750, 49715, 76250, 81500, 99430, 101875, 152500, 198860, 203750, 248575, 407500, 497150, 994300, 1242875, 2485750, 4971500, 6214375, 12428750, 24857500]

約数ペア:

[(1, 24857500), (2, 12428750), (4, 6214375), (5, 4971500), (10, 2485750), (20, 1242875), (25, 994300), (50, 497150), (61, 407500), (100, 248575), (122, 203750), (125, 198860), (163, 152500), (244, 101875), (250, 99430), (305, 81500), (326, 76250), (500, 49715), (610, 40750), (625, 39772), (652, 38125), (815, 30500), (1220, 20375), (1250, 19886), (1525, 16300), (1630, 15250), (2500, 9943), (3050, 8150), (3260, 7625), (4075, 6100)]