65688740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{797}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 149213232

約数和(自身を除く): 83524492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 797, 1268, 1585, 1594, 3170, 3188, 3985, 4121, 6340, 7970, 8242, 10361, 15940, 16484, 20605, 20722, 41210, 41444, 51805, 82420, 103610, 207220, 252649, 505298, 1010596, 1263245, 2526490, 3284437, 5052980, 6568874, 13137748, 16422185, 32844370, 65688740]

約数ペア:

[(1, 65688740), (2, 32844370), (4, 16422185), (5, 13137748), (10, 6568874), (13, 5052980), (20, 3284437), (26, 2526490), (52, 1263245), (65, 1010596), (130, 505298), (260, 252649), (317, 207220), (634, 103610), (797, 82420), (1268, 51805), (1585, 41444), (1594, 41210), (3170, 20722), (3188, 20605), (3985, 16484), (4121, 15940), (6340, 10361), (7970, 8242)]