201713720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387911}}^1$

素因数の和:387935

約数の個数: 32

約数和(自身を含む): 488769120

約数和(自身を除く): 287055400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387911, 775822, 1551644, 1939555, 3103288, 3879110, 5042843, 7758220, 10085686, 15516440, 20171372, 25214215, 40342744, 50428430, 100856860, 201713720]

約数ペア:

[(1, 201713720), (2, 100856860), (4, 50428430), (5, 40342744), (8, 25214215), (10, 20171372), (13, 15516440), (20, 10085686), (26, 7758220), (40, 5042843), (52, 3879110), (65, 3103288), (104, 1939555), (130, 1551644), (260, 775822), (520, 387911)]