2885871920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{879839}}^1$

素因数の和:879893

約数の個数: 40

約数和(自身を含む): 6873310080

約数和(自身を除く): 3987438160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 879839, 1759678, 3519356, 4399195, 7038712, 8798390, 14077424, 17596780, 35193560, 36073399, 70387120, 72146798, 144293596, 180366995, 288587192, 360733990, 577174384, 721467980, 1442935960, 2885871920]

約数ペア:

[(1, 2885871920), (2, 1442935960), (4, 721467980), (5, 577174384), (8, 360733990), (10, 288587192), (16, 180366995), (20, 144293596), (40, 72146798), (41, 70387120), (80, 36073399), (82, 35193560), (164, 17596780), (205, 14077424), (328, 8798390), (410, 7038712), (656, 4399195), (820, 3519356), (1640, 1759678), (3280, 879839)]