72440920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{95317}}^1$

素因数の和:95347

約数の個数: 32

約数和(自身を含む): 171572400

約数和(自身を除く): 99131480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 95317, 190634, 381268, 476585, 762536, 953170, 1811023, 1906340, 3622046, 3812680, 7244092, 9055115, 14488184, 18110230, 36220460, 72440920]

約数ペア:

[(1, 72440920), (2, 36220460), (4, 18110230), (5, 14488184), (8, 9055115), (10, 7244092), (19, 3812680), (20, 3622046), (38, 1906340), (40, 1811023), (76, 953170), (95, 762536), (152, 476585), (190, 381268), (380, 190634), (760, 95317)]