2012157040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{354253}}^1$

素因数の和:354337

約数の個数: 40

約数和(自身を含む): 4744169568

約数和(自身を除く): 2732012528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 354253, 708506, 1417012, 1771265, 2834024, 3542530, 5668048, 7085060, 14170120, 25151963, 28340240, 50303926, 100607852, 125759815, 201215704, 251519630, 402431408, 503039260, 1006078520, 2012157040]

約数ペア:

[(1, 2012157040), (2, 1006078520), (4, 503039260), (5, 402431408), (8, 251519630), (10, 201215704), (16, 125759815), (20, 100607852), (40, 50303926), (71, 28340240), (80, 25151963), (142, 14170120), (284, 7085060), (355, 5668048), (568, 3542530), (710, 2834024), (1136, 1771265), (1420, 1417012), (2840, 708506), (5680, 354253)]