72936880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12841}}^1$

素因数の和:12925

約数の個数: 40

約数和(自身を含む): 171980064

約数和(自身を除く): 99043184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 12841, 25682, 51364, 64205, 102728, 128410, 205456, 256820, 513640, 911711, 1027280, 1823422, 3646844, 4558555, 7293688, 9117110, 14587376, 18234220, 36468440, 72936880]

約数ペア:

[(1, 72936880), (2, 36468440), (4, 18234220), (5, 14587376), (8, 9117110), (10, 7293688), (16, 4558555), (20, 3646844), (40, 1823422), (71, 1027280), (80, 911711), (142, 513640), (284, 256820), (355, 205456), (568, 128410), (710, 102728), (1136, 64205), (1420, 51364), (2840, 25682), (5680, 12841)]