325711700680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15787}}^1\times {\mathrm{6529}}^1$

素因数の和:22406

約数の個数: 64

約数和(自身を含む): 742288608000

約数和(自身を除く): 416576907320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6529, 13058, 15787, 26116, 31574, 32645, 52232, 63148, 65290, 78935, 126296, 130580, 157870, 261160, 315740, 515791, 631480, 1031582, 1247173, 2063164, 2494346, 2578955, 4126328, 4988692, 5157910, 6235865, 9977384, 10315820, 12471730, 20631640, 24943460, 49886920, 103073323, 206146646, 412293292, 515366615, 824586584, 1030733230, 2061466460, 4122932920, 8142792517, 16285585034, 32571170068, 40713962585, 65142340136, 81427925170, 162855850340, 325711700680]

約数ペア:

[(1, 325711700680), (2, 162855850340), (4, 81427925170), (5, 65142340136), (8, 40713962585), (10, 32571170068), (20, 16285585034), (40, 8142792517), (79, 4122932920), (158, 2061466460), (316, 1030733230), (395, 824586584), (632, 515366615), (790, 412293292), (1580, 206146646), (3160, 103073323), (6529, 49886920), (13058, 24943460), (15787, 20631640), (26116, 12471730), (31574, 10315820), (32645, 9977384), (52232, 6235865), (63148, 5157910), (65290, 4988692), (78935, 4126328), (126296, 2578955), (130580, 2494346), (157870, 2063164), (261160, 1247173), (315740, 1031582), (515791, 631480)]