42146840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11839}}^1$

素因数の和:11939

約数の個数: 32

約数和(自身を含む): 95904000

約数和(自身を除く): 53757160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11839, 23678, 47356, 59195, 94712, 118390, 236780, 473560, 1053671, 2107342, 4214684, 5268355, 8429368, 10536710, 21073420, 42146840]

約数ペア:

[(1, 42146840), (2, 21073420), (4, 10536710), (5, 8429368), (8, 5268355), (10, 4214684), (20, 2107342), (40, 1053671), (89, 473560), (178, 236780), (356, 118390), (445, 94712), (712, 59195), (890, 47356), (1780, 23678), (3560, 11839)]