80086520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 191116800

約数和(自身を除く): 111030280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 631, 668, 760, 835, 1262, 1336, 1670, 2524, 3155, 3173, 3340, 5048, 6310, 6346, 6680, 11989, 12620, 12692, 15865, 23978, 25240, 25384, 31730, 47956, 59945, 63460, 95912, 105377, 119890, 126920, 210754, 239780, 421508, 479560, 526885, 843016, 1053770, 2002163, 2107540, 4004326, 4215080, 8008652, 10010815, 16017304, 20021630, 40043260, 80086520]

約数ペア:

[(1, 80086520), (2, 40043260), (4, 20021630), (5, 16017304), (8, 10010815), (10, 8008652), (19, 4215080), (20, 4004326), (38, 2107540), (40, 2002163), (76, 1053770), (95, 843016), (152, 526885), (167, 479560), (190, 421508), (334, 239780), (380, 210754), (631, 126920), (668, 119890), (760, 105377), (835, 95912), (1262, 63460), (1336, 59945), (1670, 47956), (2524, 31730), (3155, 25384), (3173, 25240), (3340, 23978), (5048, 15865), (6310, 12692), (6346, 12620), (6680, 11989)]