39913240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 93195360

約数和(自身を除く): 53282120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 281, 335, 424, 530, 536, 562, 670, 1060, 1124, 1340, 1405, 2120, 2248, 2680, 2810, 3551, 5620, 7102, 11240, 14204, 14893, 17755, 18827, 28408, 29786, 35510, 37654, 59572, 71020, 74465, 75308, 94135, 119144, 142040, 148930, 150616, 188270, 297860, 376540, 595720, 753080, 997831, 1995662, 3991324, 4989155, 7982648, 9978310, 19956620, 39913240]

約数ペア:

[(1, 39913240), (2, 19956620), (4, 9978310), (5, 7982648), (8, 4989155), (10, 3991324), (20, 1995662), (40, 997831), (53, 753080), (67, 595720), (106, 376540), (134, 297860), (212, 188270), (265, 150616), (268, 148930), (281, 142040), (335, 119144), (424, 94135), (530, 75308), (536, 74465), (562, 71020), (670, 59572), (1060, 37654), (1124, 35510), (1340, 29786), (1405, 28408), (2120, 18827), (2248, 17755), (2680, 14893), (2810, 14204), (3551, 11240), (5620, 7102)]