156749840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{150721}}^1$

素因数の和:150747

約数の個数: 40

約数和(自身を含む): 392480088

約数和(自身を除く): 235730248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 150721, 301442, 602884, 753605, 1205768, 1507210, 1959373, 2411536, 3014420, 3918746, 6028840, 7837492, 9796865, 12057680, 15674984, 19593730, 31349968, 39187460, 78374920, 156749840]

約数ペア:

[(1, 156749840), (2, 78374920), (4, 39187460), (5, 31349968), (8, 19593730), (10, 15674984), (13, 12057680), (16, 9796865), (20, 7837492), (26, 6028840), (40, 3918746), (52, 3014420), (65, 2411536), (80, 1959373), (104, 1507210), (130, 1205768), (208, 753605), (260, 602884), (520, 301442), (1040, 150721)]