13105240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 30935520

約数和(自身を除く): 17830280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 131, 164, 205, 244, 262, 305, 328, 410, 488, 524, 610, 655, 820, 1048, 1220, 1310, 1640, 2440, 2501, 2620, 5002, 5240, 5371, 7991, 10004, 10742, 12505, 15982, 20008, 21484, 25010, 26855, 31964, 39955, 42968, 50020, 53710, 63928, 79910, 100040, 107420, 159820, 214840, 319640, 327631, 655262, 1310524, 1638155, 2621048, 3276310, 6552620, 13105240]

約数ペア:

[(1, 13105240), (2, 6552620), (4, 3276310), (5, 2621048), (8, 1638155), (10, 1310524), (20, 655262), (40, 327631), (41, 319640), (61, 214840), (82, 159820), (122, 107420), (131, 100040), (164, 79910), (205, 63928), (244, 53710), (262, 50020), (305, 42968), (328, 39955), (410, 31964), (488, 26855), (524, 25010), (610, 21484), (655, 20008), (820, 15982), (1048, 12505), (1220, 10742), (1310, 10004), (1640, 7991), (2440, 5371), (2501, 5240), (2620, 5002)]