78823420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1931}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 179490528

約数和(自身を除く): 100667108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 1931, 2041, 3140, 3862, 4082, 7724, 8164, 9655, 10205, 19310, 20410, 25103, 38620, 40820, 50206, 100412, 125515, 251030, 303167, 502060, 606334, 1212668, 1515835, 3031670, 3941171, 6063340, 7882342, 15764684, 19705855, 39411710, 78823420]

約数ペア:

[(1, 78823420), (2, 39411710), (4, 19705855), (5, 15764684), (10, 7882342), (13, 6063340), (20, 3941171), (26, 3031670), (52, 1515835), (65, 1212668), (130, 606334), (157, 502060), (260, 303167), (314, 251030), (628, 125515), (785, 100412), (1570, 50206), (1931, 40820), (2041, 38620), (3140, 25103), (3862, 20410), (4082, 19310), (7724, 10205), (8164, 9655)]