91280120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73613}}^1$

素因数の和:73655

約数の個数: 32

約数和(自身を含む): 212008320

約数和(自身を除く): 120728200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73613, 147226, 294452, 368065, 588904, 736130, 1472260, 2282003, 2944520, 4564006, 9128012, 11410015, 18256024, 22820030, 45640060, 91280120]

約数ペア:

[(1, 91280120), (2, 45640060), (4, 22820030), (5, 18256024), (8, 11410015), (10, 9128012), (20, 4564006), (31, 2944520), (40, 2282003), (62, 1472260), (124, 736130), (155, 588904), (248, 368065), (310, 294452), (620, 147226), (1240, 73613)]