201500080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 481022784

約数和(自身を除く): 279522704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 157, 244, 263, 305, 314, 488, 526, 610, 628, 785, 976, 1052, 1220, 1256, 1315, 1570, 2104, 2440, 2512, 2630, 3140, 4208, 4880, 5260, 6280, 9577, 10520, 12560, 16043, 19154, 21040, 32086, 38308, 41291, 47885, 64172, 76616, 80215, 82582, 95770, 128344, 153232, 160430, 165164, 191540, 206455, 256688, 320860, 330328, 383080, 412910, 641720, 660656, 766160, 825820, 1283440, 1651640, 2518751, 3303280, 5037502, 10075004, 12593755, 20150008, 25187510, 40300016, 50375020, 100750040, 201500080]

約数ペア:

[(1, 201500080), (2, 100750040), (4, 50375020), (5, 40300016), (8, 25187510), (10, 20150008), (16, 12593755), (20, 10075004), (40, 5037502), (61, 3303280), (80, 2518751), (122, 1651640), (157, 1283440), (244, 825820), (263, 766160), (305, 660656), (314, 641720), (488, 412910), (526, 383080), (610, 330328), (628, 320860), (785, 256688), (976, 206455), (1052, 191540), (1220, 165164), (1256, 160430), (1315, 153232), (1570, 128344), (2104, 95770), (2440, 82582), (2512, 80215), (2630, 76616), (3140, 64172), (4208, 47885), (4880, 41291), (5260, 38308), (6280, 32086), (9577, 21040), (10520, 19154), (12560, 16043)]