39540920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 53771080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 383, 445, 580, 712, 766, 890, 1160, 1532, 1780, 1915, 2581, 3064, 3560, 3830, 5162, 7660, 10324, 11107, 12905, 15320, 20648, 22214, 25810, 34087, 44428, 51620, 55535, 68174, 88856, 103240, 111070, 136348, 170435, 222140, 272696, 340870, 444280, 681740, 988523, 1363480, 1977046, 3954092, 4942615, 7908184, 9885230, 19770460, 39540920]

約数ペア:

[(1, 39540920), (2, 19770460), (4, 9885230), (5, 7908184), (8, 4942615), (10, 3954092), (20, 1977046), (29, 1363480), (40, 988523), (58, 681740), (89, 444280), (116, 340870), (145, 272696), (178, 222140), (232, 170435), (290, 136348), (356, 111070), (383, 103240), (445, 88856), (580, 68174), (712, 55535), (766, 51620), (890, 44428), (1160, 34087), (1532, 25810), (1780, 22214), (1915, 20648), (2581, 15320), (3064, 12905), (3560, 11107), (3830, 10324), (5162, 7660)]