157261520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151213}}^1$

素因数の和:151239

約数の個数: 40

約数和(自身を含む): 393761256

約数和(自身を除く): 236499736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 151213, 302426, 604852, 756065, 1209704, 1512130, 1965769, 2419408, 3024260, 3931538, 6048520, 7863076, 9828845, 12097040, 15726152, 19657690, 31452304, 39315380, 78630760, 157261520]

約数ペア:

[(1, 157261520), (2, 78630760), (4, 39315380), (5, 31452304), (8, 19657690), (10, 15726152), (13, 12097040), (16, 9828845), (20, 7863076), (26, 6048520), (40, 3931538), (52, 3024260), (65, 2419408), (80, 1965769), (104, 1512130), (130, 1209704), (208, 756065), (260, 604852), (520, 302426), (1040, 151213)]