3809479280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{780631}}^1$

素因数の和:780705

約数の個数: 40

約数和(自身を含む): 9002248224

約数和(自身を除く): 5192768944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 780631, 1561262, 3122524, 3903155, 6245048, 7806310, 12490096, 15612620, 31225240, 47618491, 62450480, 95236982, 190473964, 238092455, 380947928, 476184910, 761895856, 952369820, 1904739640, 3809479280]

約数ペア:

[(1, 3809479280), (2, 1904739640), (4, 952369820), (5, 761895856), (8, 476184910), (10, 380947928), (16, 238092455), (20, 190473964), (40, 95236982), (61, 62450480), (80, 47618491), (122, 31225240), (244, 15612620), (305, 12490096), (488, 7806310), (610, 6245048), (976, 3903155), (1220, 3122524), (2440, 1561262), (4880, 780631)]