65721860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 144571392

約数和(自身を除く): 78849532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 1493, 2201, 2986, 4402, 5972, 7465, 8804, 11005, 14930, 22010, 29860, 44020, 46283, 92566, 106003, 185132, 212006, 231415, 424012, 462830, 530015, 925660, 1060030, 2120060, 3286093, 6572186, 13144372, 16430465, 32860930, 65721860]

約数ペア:

[(1, 65721860), (2, 32860930), (4, 16430465), (5, 13144372), (10, 6572186), (20, 3286093), (31, 2120060), (62, 1060030), (71, 925660), (124, 530015), (142, 462830), (155, 424012), (284, 231415), (310, 212006), (355, 185132), (620, 106003), (710, 92566), (1420, 46283), (1493, 44020), (2201, 29860), (2986, 22010), (4402, 14930), (5972, 11005), (7465, 8804)]