19600750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 40832064

約数和(自身を除く): 21231314

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 163, 185, 250, 325, 326, 370, 481, 650, 815, 925, 962, 1625, 1630, 1850, 2119, 2405, 3250, 4075, 4238, 4625, 4810, 6031, 8150, 9250, 10595, 12025, 12062, 20375, 21190, 24050, 30155, 40750, 52975, 60125, 60310, 78403, 105950, 120250, 150775, 156806, 264875, 301550, 392015, 529750, 753875, 784030, 1507750, 1960075, 3920150, 9800375, 19600750]

約数ペア:

[(1, 19600750), (2, 9800375), (5, 3920150), (10, 1960075), (13, 1507750), (25, 784030), (26, 753875), (37, 529750), (50, 392015), (65, 301550), (74, 264875), (125, 156806), (130, 150775), (163, 120250), (185, 105950), (250, 78403), (325, 60310), (326, 60125), (370, 52975), (481, 40750), (650, 30155), (815, 24050), (925, 21190), (962, 20375), (1625, 12062), (1630, 12025), (1850, 10595), (2119, 9250), (2405, 8150), (3250, 6031), (4075, 4810), (4238, 4625)]