25003205680

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1063}}^1\times {\mathrm{1093}}^1$

素因数の和:2438

約数の個数: 80

約数和(自身を含む): 58456883520

約数和(自身を除く): 33453677840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1063, 1076, 1093, 1345, 2126, 2152, 2186, 2690, 4252, 4304, 4372, 5315, 5380, 5465, 8504, 8744, 10630, 10760, 10930, 17008, 17488, 21260, 21520, 21860, 42520, 43720, 85040, 87440, 285947, 294017, 571894, 588034, 1143788, 1161859, 1176068, 1429735, 1470085, 2287576, 2323718, 2352136, 2859470, 2940170, 4575152, 4647436, 4704272, 5718940, 5809295, 5880340, 9294872, 11437880, 11618590, 11760680, 18589744, 22875760, 23237180, 23521360, 46474360, 92948720, 312540071, 625080142, 1250160284, 1562700355, 2500320568, 3125400710, 5000641136, 6250801420, 12501602840, 25003205680]

約数ペア:

[(1, 25003205680), (2, 12501602840), (4, 6250801420), (5, 5000641136), (8, 3125400710), (10, 2500320568), (16, 1562700355), (20, 1250160284), (40, 625080142), (80, 312540071), (269, 92948720), (538, 46474360), (1063, 23521360), (1076, 23237180), (1093, 22875760), (1345, 18589744), (2126, 11760680), (2152, 11618590), (2186, 11437880), (2690, 9294872), (4252, 5880340), (4304, 5809295), (4372, 5718940), (5315, 4704272), (5380, 4647436), (5465, 4575152), (8504, 2940170), (8744, 2859470), (10630, 2352136), (10760, 2323718), (10930, 2287576), (17008, 1470085), (17488, 1429735), (21260, 1176068), (21520, 1161859), (21860, 1143788), (42520, 588034), (43720, 571894), (85040, 294017), (87440, 285947)]