27883120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:4993

約数の個数: 40

約数和(自身を含む): 65754720

約数和(自身を除く): 37871600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4909, 5680, 9818, 19636, 24545, 39272, 49090, 78544, 98180, 196360, 348539, 392720, 697078, 1394156, 1742695, 2788312, 3485390, 5576624, 6970780, 13941560, 27883120]

約数ペア:

[(1, 27883120), (2, 13941560), (4, 6970780), (5, 5576624), (8, 3485390), (10, 2788312), (16, 1742695), (20, 1394156), (40, 697078), (71, 392720), (80, 348539), (142, 196360), (284, 98180), (355, 78544), (568, 49090), (710, 39272), (1136, 24545), (1420, 19636), (2840, 9818), (4909, 5680)]