80472730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2801}}^1$

素因数の和:2851

約数の個数: 48

約数和(自身を含む): 166136184

約数和(自身を除く): 85663454

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2801, 2873, 5602, 5746, 14005, 14365, 28010, 28730, 36413, 47617, 72826, 95234, 182065, 238085, 364130, 473369, 476170, 619021, 946738, 1238042, 2366845, 3095105, 4733690, 6190210, 8047273, 16094546, 40236365, 80472730]

約数ペア:

[(1, 80472730), (2, 40236365), (5, 16094546), (10, 8047273), (13, 6190210), (17, 4733690), (26, 3095105), (34, 2366845), (65, 1238042), (85, 946738), (130, 619021), (169, 476170), (170, 473369), (221, 364130), (338, 238085), (442, 182065), (845, 95234), (1105, 72826), (1690, 47617), (2210, 36413), (2801, 28730), (2873, 28010), (5602, 14365), (5746, 14005)]