72806996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3944041}}^1$

素因数の和:3944134

約数の個数: 48

約数和(自身を含む): 166974962112

約数和(自身を除く): 94167965252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 3944041, 7888082, 15776164, 19720205, 39440410, 51272533, 78880820, 102545066, 205090132, 256362665, 280026911, 512725330, 560053822, 1025450660, 1120107644, 1400134555, 2800269110, 3640349843, 5600538220, 7280699686, 14561399372, 18201749215, 36403498430, 72806996860]

約数ペア:

[(1, 72806996860), (2, 36403498430), (4, 18201749215), (5, 14561399372), (10, 7280699686), (13, 5600538220), (20, 3640349843), (26, 2800269110), (52, 1400134555), (65, 1120107644), (71, 1025450660), (130, 560053822), (142, 512725330), (260, 280026911), (284, 256362665), (355, 205090132), (710, 102545066), (923, 78880820), (1420, 51272533), (1846, 39440410), (3692, 19720205), (4615, 15776164), (9230, 7888082), (18460, 3944041)]