51008750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 80

約数和(自身を含む): 106803312

約数和(自身を除く): 55794562

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 73, 86, 125, 130, 146, 215, 250, 325, 365, 430, 559, 625, 650, 730, 949, 1075, 1118, 1250, 1625, 1825, 1898, 2150, 2795, 3139, 3250, 3650, 4745, 5375, 5590, 6278, 8125, 9125, 9490, 10750, 13975, 15695, 16250, 18250, 23725, 26875, 27950, 31390, 40807, 45625, 47450, 53750, 69875, 78475, 81614, 91250, 118625, 139750, 156950, 204035, 237250, 349375, 392375, 408070, 593125, 698750, 784750, 1020175, 1186250, 1961875, 2040350, 3923750, 5100875, 10201750, 25504375, 51008750]

約数ペア:

[(1, 51008750), (2, 25504375), (5, 10201750), (10, 5100875), (13, 3923750), (25, 2040350), (26, 1961875), (43, 1186250), (50, 1020175), (65, 784750), (73, 698750), (86, 593125), (125, 408070), (130, 392375), (146, 349375), (215, 237250), (250, 204035), (325, 156950), (365, 139750), (430, 118625), (559, 91250), (625, 81614), (650, 78475), (730, 69875), (949, 53750), (1075, 47450), (1118, 45625), (1250, 40807), (1625, 31390), (1825, 27950), (1898, 26875), (2150, 23725), (2795, 18250), (3139, 16250), (3250, 15695), (3650, 13975), (4745, 10750), (5375, 9490), (5590, 9125), (6278, 8125)]