165748996880

素因数分解:

$2^4\times 5^1\times {\mathrm{5591}}^1\times {\mathrm{370571}}^1$

素因数の和:376175

約数の個数: 40

約数和(自身を含む): 385436384064

約数和(自身を除く): 219687387184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5591, 11182, 22364, 27955, 44728, 55910, 89456, 111820, 223640, 370571, 447280, 741142, 1482284, 1852855, 2964568, 3705710, 5929136, 7411420, 14822840, 29645680, 2071862461, 4143724922, 8287449844, 10359312305, 16574899688, 20718624610, 33149799376, 41437249220, 82874498440, 165748996880]

約数ペア:

[(1, 165748996880), (2, 82874498440), (4, 41437249220), (5, 33149799376), (8, 20718624610), (10, 16574899688), (16, 10359312305), (20, 8287449844), (40, 4143724922), (80, 2071862461), (5591, 29645680), (11182, 14822840), (22364, 7411420), (27955, 5929136), (44728, 3705710), (55910, 2964568), (89456, 1852855), (111820, 1482284), (223640, 741142), (370571, 447280)]