39807380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 86411136

約数和(自身を除く): 46603756

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 487, 610, 670, 974, 1220, 1340, 1948, 2435, 4087, 4870, 8174, 9740, 16348, 20435, 29707, 32629, 40870, 59414, 65258, 81740, 118828, 130516, 148535, 163145, 297070, 326290, 594140, 652580, 1990369, 3980738, 7961476, 9951845, 19903690, 39807380]

約数ペア:

[(1, 39807380), (2, 19903690), (4, 9951845), (5, 7961476), (10, 3980738), (20, 1990369), (61, 652580), (67, 594140), (122, 326290), (134, 297070), (244, 163145), (268, 148535), (305, 130516), (335, 118828), (487, 81740), (610, 65258), (670, 59414), (974, 40870), (1220, 32629), (1340, 29707), (1948, 20435), (2435, 16348), (4087, 9740), (4870, 8174)]