40495870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10357}}^1$

素因数の和:10404

約数の個数: 32

約数和(自身を含む): 80543808

約数和(自身を除く): 40047938

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 10357, 20714, 51785, 103570, 176069, 238211, 352138, 476422, 880345, 1191055, 1760690, 2382110, 4049587, 8099174, 20247935, 40495870]

約数ペア:

[(1, 40495870), (2, 20247935), (5, 8099174), (10, 4049587), (17, 2382110), (23, 1760690), (34, 1191055), (46, 880345), (85, 476422), (115, 352138), (170, 238211), (230, 176069), (391, 103570), (782, 51785), (1955, 20714), (3910, 10357)]