7899320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 20895840

約数和(自身を除く): 12996520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1381, 1430, 2762, 2860, 5524, 5720, 6905, 11048, 13810, 15191, 17953, 27620, 30382, 35906, 55240, 60764, 71812, 75955, 89765, 121528, 143624, 151910, 179530, 197483, 303820, 359060, 394966, 607640, 718120, 789932, 987415, 1579864, 1974830, 3949660, 7899320]

約数ペア:

[(1, 7899320), (2, 3949660), (4, 1974830), (5, 1579864), (8, 987415), (10, 789932), (11, 718120), (13, 607640), (20, 394966), (22, 359060), (26, 303820), (40, 197483), (44, 179530), (52, 151910), (55, 143624), (65, 121528), (88, 89765), (104, 75955), (110, 71812), (130, 60764), (143, 55240), (220, 35906), (260, 30382), (286, 27620), (440, 17953), (520, 15191), (572, 13810), (715, 11048), (1144, 6905), (1381, 5720), (1430, 5524), (2762, 2860)]