12970595950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281053}}^1$

素因数の和:281149

約数の個数: 48

約数和(自身を含む): 26347126176

約数和(自身を除く): 13376530226

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 650, 710, 923, 1775, 1846, 3550, 4615, 9230, 23075, 46150, 281053, 562106, 1405265, 2810530, 3653689, 7026325, 7307378, 14052650, 18268445, 19954763, 36536890, 39909526, 91342225, 99773815, 182684450, 199547630, 259411919, 498869075, 518823838, 997738150, 1297059595, 2594119190, 6485297975, 12970595950]

約数ペア:

[(1, 12970595950), (2, 6485297975), (5, 2594119190), (10, 1297059595), (13, 997738150), (25, 518823838), (26, 498869075), (50, 259411919), (65, 199547630), (71, 182684450), (130, 99773815), (142, 91342225), (325, 39909526), (355, 36536890), (650, 19954763), (710, 18268445), (923, 14052650), (1775, 7307378), (1846, 7026325), (3550, 3653689), (4615, 2810530), (9230, 1405265), (23075, 562106), (46150, 281053)]