89961040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86501}}^1$

素因数の和:86527

約数の個数: 40

約数和(自身を含む): 225251208

約数和(自身を除く): 135290168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 86501, 173002, 346004, 432505, 692008, 865010, 1124513, 1384016, 1730020, 2249026, 3460040, 4498052, 5622565, 6920080, 8996104, 11245130, 17992208, 22490260, 44980520, 89961040]

約数ペア:

[(1, 89961040), (2, 44980520), (4, 22490260), (5, 17992208), (8, 11245130), (10, 8996104), (13, 6920080), (16, 5622565), (20, 4498052), (26, 3460040), (40, 2249026), (52, 1730020), (65, 1384016), (80, 1124513), (104, 865010), (130, 692008), (208, 432505), (260, 346004), (520, 173002), (1040, 86501)]