201012500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 473891544

約数和(自身を除く): 272879044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1237, 1250, 1300, 1625, 2474, 2500, 3125, 3250, 4948, 6185, 6250, 6500, 8125, 12370, 12500, 16081, 16250, 24740, 30925, 32162, 32500, 40625, 61850, 64324, 80405, 81250, 123700, 154625, 160810, 162500, 309250, 321620, 402025, 618500, 773125, 804050, 1546250, 1608100, 2010125, 3092500, 3865625, 4020250, 7731250, 8040500, 10050625, 15462500, 20101250, 40202500, 50253125, 100506250, 201012500]

約数ペア:

[(1, 201012500), (2, 100506250), (4, 50253125), (5, 40202500), (10, 20101250), (13, 15462500), (20, 10050625), (25, 8040500), (26, 7731250), (50, 4020250), (52, 3865625), (65, 3092500), (100, 2010125), (125, 1608100), (130, 1546250), (250, 804050), (260, 773125), (325, 618500), (500, 402025), (625, 321620), (650, 309250), (1237, 162500), (1250, 160810), (1300, 154625), (1625, 123700), (2474, 81250), (2500, 80405), (3125, 64324), (3250, 61850), (4948, 40625), (6185, 32500), (6250, 32162), (6500, 30925), (8125, 24740), (12370, 16250), (12500, 16081)]