4994560

素因数分解:

$2^9\times 5^1\times {\mathrm{1951}}^1$

素因数の和:1974

約数の個数: 40

約数和(自身を含む): 11981376

約数和(自身を除く): 6986816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1951, 2560, 3902, 7804, 9755, 15608, 19510, 31216, 39020, 62432, 78040, 124864, 156080, 249728, 312160, 499456, 624320, 998912, 1248640, 2497280, 4994560]

約数ペア:

[(1, 4994560), (2, 2497280), (4, 1248640), (5, 998912), (8, 624320), (10, 499456), (16, 312160), (20, 249728), (32, 156080), (40, 124864), (64, 78040), (80, 62432), (128, 39020), (160, 31216), (256, 19510), (320, 15608), (512, 9755), (640, 7804), (1280, 3902), (1951, 2560)]