138422960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{797}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 349102656

約数和(自身を除く): 210679696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 167, 208, 260, 334, 520, 668, 797, 835, 1040, 1336, 1594, 1670, 2171, 2672, 3188, 3340, 3985, 4342, 6376, 6680, 7970, 8684, 10361, 10855, 12752, 13360, 15940, 17368, 20722, 21710, 31880, 34736, 41444, 43420, 51805, 63760, 82888, 86840, 103610, 133099, 165776, 173680, 207220, 266198, 414440, 532396, 665495, 828880, 1064792, 1330990, 1730287, 2129584, 2661980, 3460574, 5323960, 6921148, 8651435, 10647920, 13842296, 17302870, 27684592, 34605740, 69211480, 138422960]

約数ペア:

[(1, 138422960), (2, 69211480), (4, 34605740), (5, 27684592), (8, 17302870), (10, 13842296), (13, 10647920), (16, 8651435), (20, 6921148), (26, 5323960), (40, 3460574), (52, 2661980), (65, 2129584), (80, 1730287), (104, 1330990), (130, 1064792), (167, 828880), (208, 665495), (260, 532396), (334, 414440), (520, 266198), (668, 207220), (797, 173680), (835, 165776), (1040, 133099), (1336, 103610), (1594, 86840), (1670, 82888), (2171, 63760), (2672, 51805), (3188, 43420), (3340, 41444), (3985, 34736), (4342, 31880), (6376, 21710), (6680, 20722), (7970, 17368), (8684, 15940), (10361, 13360), (10855, 12752)]