51580820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{911}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 114912000

約数和(自身を除く): 63331180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 911, 1490, 1822, 2831, 2980, 3644, 4555, 5662, 9110, 11324, 14155, 17309, 18220, 28310, 34618, 56620, 69236, 86545, 135739, 173090, 271478, 346180, 542956, 678695, 1357390, 2579041, 2714780, 5158082, 10316164, 12895205, 25790410, 51580820]

約数ペア:

[(1, 51580820), (2, 25790410), (4, 12895205), (5, 10316164), (10, 5158082), (19, 2714780), (20, 2579041), (38, 1357390), (76, 678695), (95, 542956), (149, 346180), (190, 271478), (298, 173090), (380, 135739), (596, 86545), (745, 69236), (911, 56620), (1490, 34618), (1822, 28310), (2831, 18220), (2980, 17309), (3644, 14155), (4555, 11324), (5662, 9110)]