826856875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{683}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 1121828400

約数和(自身を除く): 294971525

約数列:

[1, 5, 13, 25, 65, 125, 149, 325, 625, 683, 745, 1625, 1937, 3415, 3725, 8125, 8879, 9685, 17075, 18625, 44395, 48425, 85375, 93125, 101767, 221975, 242125, 426875, 508835, 1109875, 1210625, 1322971, 2544175, 5549375, 6614855, 12720875, 33074275, 63604375, 165371375, 826856875]

約数ペア:

[(1, 826856875), (5, 165371375), (13, 63604375), (25, 33074275), (65, 12720875), (125, 6614855), (149, 5549375), (325, 2544175), (625, 1322971), (683, 1210625), (745, 1109875), (1625, 508835), (1937, 426875), (3415, 242125), (3725, 221975), (8125, 101767), (8879, 93125), (9685, 85375), (17075, 48425), (18625, 44395)]