38757680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 98431200

約数和(自身を除く): 59673520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 449, 520, 664, 830, 898, 1040, 1079, 1328, 1660, 1796, 2158, 2245, 3320, 3592, 4316, 4490, 5395, 5837, 6640, 7184, 8632, 8980, 10790, 11674, 17264, 17960, 21580, 23348, 29185, 35920, 37267, 43160, 46696, 58370, 74534, 86320, 93392, 116740, 149068, 186335, 233480, 298136, 372670, 466960, 484471, 596272, 745340, 968942, 1490680, 1937884, 2422355, 2981360, 3875768, 4844710, 7751536, 9689420, 19378840, 38757680]

約数ペア:

[(1, 38757680), (2, 19378840), (4, 9689420), (5, 7751536), (8, 4844710), (10, 3875768), (13, 2981360), (16, 2422355), (20, 1937884), (26, 1490680), (40, 968942), (52, 745340), (65, 596272), (80, 484471), (83, 466960), (104, 372670), (130, 298136), (166, 233480), (208, 186335), (260, 149068), (332, 116740), (415, 93392), (449, 86320), (520, 74534), (664, 58370), (830, 46696), (898, 43160), (1040, 37267), (1079, 35920), (1328, 29185), (1660, 23348), (1796, 21580), (2158, 17960), (2245, 17264), (3320, 11674), (3592, 10790), (4316, 8980), (4490, 8632), (5395, 7184), (5837, 6640)]