145419440

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{2131}}^1$

素因数の和:2997

約数の個数: 40

約数和(自身を含む): 338655408

約数和(自身を除く): 193235968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 2131, 3412, 4262, 4265, 6824, 8524, 8530, 10655, 13648, 17048, 17060, 21310, 34096, 34120, 42620, 68240, 85240, 170480, 1817743, 3635486, 7270972, 9088715, 14541944, 18177430, 29083888, 36354860, 72709720, 145419440]

約数ペア:

[(1, 145419440), (2, 72709720), (4, 36354860), (5, 29083888), (8, 18177430), (10, 14541944), (16, 9088715), (20, 7270972), (40, 3635486), (80, 1817743), (853, 170480), (1706, 85240), (2131, 68240), (3412, 42620), (4262, 34120), (4265, 34096), (6824, 21310), (8524, 17060), (8530, 17048), (10655, 13648)]