68589820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{797}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 155782368

約数和(自身を除く): 87192548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 797, 1324, 1594, 1655, 3188, 3310, 3985, 4303, 6620, 7970, 8606, 10361, 15940, 17212, 20722, 21515, 41444, 43030, 51805, 86060, 103610, 207220, 263807, 527614, 1055228, 1319035, 2638070, 3429491, 5276140, 6858982, 13717964, 17147455, 34294910, 68589820]

約数ペア:

[(1, 68589820), (2, 34294910), (4, 17147455), (5, 13717964), (10, 6858982), (13, 5276140), (20, 3429491), (26, 2638070), (52, 1319035), (65, 1055228), (130, 527614), (260, 263807), (331, 207220), (662, 103610), (797, 86060), (1324, 51805), (1594, 43030), (1655, 41444), (3188, 21515), (3310, 20722), (3985, 17212), (4303, 15940), (6620, 10361), (7970, 8606)]