9960080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 25508784

約数和(自身を除く): 15548704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 157, 208, 244, 260, 305, 314, 488, 520, 610, 628, 785, 793, 976, 1040, 1220, 1256, 1570, 1586, 2041, 2440, 2512, 3140, 3172, 3965, 4082, 4880, 6280, 6344, 7930, 8164, 9577, 10205, 12560, 12688, 15860, 16328, 19154, 20410, 31720, 32656, 38308, 40820, 47885, 63440, 76616, 81640, 95770, 124501, 153232, 163280, 191540, 249002, 383080, 498004, 622505, 766160, 996008, 1245010, 1992016, 2490020, 4980040, 9960080]

約数ペア:

[(1, 9960080), (2, 4980040), (4, 2490020), (5, 1992016), (8, 1245010), (10, 996008), (13, 766160), (16, 622505), (20, 498004), (26, 383080), (40, 249002), (52, 191540), (61, 163280), (65, 153232), (80, 124501), (104, 95770), (122, 81640), (130, 76616), (157, 63440), (208, 47885), (244, 40820), (260, 38308), (305, 32656), (314, 31720), (488, 20410), (520, 19154), (610, 16328), (628, 15860), (785, 12688), (793, 12560), (976, 10205), (1040, 9577), (1220, 8164), (1256, 7930), (1570, 6344), (1586, 6280), (2041, 4880), (2440, 4082), (2512, 3965), (3140, 3172)]