39398680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 91824480

約数和(自身を除く): 52425800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 241, 244, 268, 305, 335, 482, 488, 536, 610, 670, 964, 1205, 1220, 1340, 1928, 2410, 2440, 2680, 4087, 4820, 8174, 9640, 14701, 16147, 16348, 20435, 29402, 32294, 32696, 40870, 58804, 64588, 73505, 80735, 81740, 117608, 129176, 147010, 161470, 163480, 294020, 322940, 588040, 645880, 984967, 1969934, 3939868, 4924835, 7879736, 9849670, 19699340, 39398680]

約数ペア:

[(1, 39398680), (2, 19699340), (4, 9849670), (5, 7879736), (8, 4924835), (10, 3939868), (20, 1969934), (40, 984967), (61, 645880), (67, 588040), (122, 322940), (134, 294020), (241, 163480), (244, 161470), (268, 147010), (305, 129176), (335, 117608), (482, 81740), (488, 80735), (536, 73505), (610, 64588), (670, 58804), (964, 40870), (1205, 32696), (1220, 32294), (1340, 29402), (1928, 20435), (2410, 16348), (2440, 16147), (2680, 14701), (4087, 9640), (4820, 8174)]