118494920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{72253}}^1$

素因数の和:72305

約数の個数: 32

約数和(自身を含む): 273120120

約数和(自身を除く): 154625200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 72253, 144506, 289012, 361265, 578024, 722530, 1445060, 2890120, 2962373, 5924746, 11849492, 14811865, 23698984, 29623730, 59247460, 118494920]

約数ペア:

[(1, 118494920), (2, 59247460), (4, 29623730), (5, 23698984), (8, 14811865), (10, 11849492), (20, 5924746), (40, 2962373), (41, 2890120), (82, 1445060), (164, 722530), (205, 578024), (328, 361265), (410, 289012), (820, 144506), (1640, 72253)]