89567920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 227610432

約数和(自身を除く): 138042512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1213, 1420, 1846, 2426, 2840, 3692, 4615, 4852, 5680, 6065, 7384, 9230, 9704, 12130, 14768, 15769, 18460, 19408, 24260, 31538, 36920, 48520, 63076, 73840, 78845, 86123, 97040, 126152, 157690, 172246, 252304, 315380, 344492, 430615, 630760, 688984, 861230, 1119599, 1261520, 1377968, 1722460, 2239198, 3444920, 4478396, 5597995, 6889840, 8956792, 11195990, 17913584, 22391980, 44783960, 89567920]

約数ペア:

[(1, 89567920), (2, 44783960), (4, 22391980), (5, 17913584), (8, 11195990), (10, 8956792), (13, 6889840), (16, 5597995), (20, 4478396), (26, 3444920), (40, 2239198), (52, 1722460), (65, 1377968), (71, 1261520), (80, 1119599), (104, 861230), (130, 688984), (142, 630760), (208, 430615), (260, 344492), (284, 315380), (355, 252304), (520, 172246), (568, 157690), (710, 126152), (923, 97040), (1040, 86123), (1136, 78845), (1213, 73840), (1420, 63076), (1846, 48520), (2426, 36920), (2840, 31538), (3692, 24260), (4615, 19408), (4852, 18460), (5680, 15769), (6065, 14768), (7384, 12130), (9230, 9704)]