253111280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102061}}^1$

素因数の和:102105

約数の個数: 40

約数和(自身を含む): 607473024

約数和(自身を除く): 354361744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 102061, 204122, 408244, 510305, 816488, 1020610, 1632976, 2041220, 3163891, 4082440, 6327782, 8164880, 12655564, 15819455, 25311128, 31638910, 50622256, 63277820, 126555640, 253111280]

約数ペア:

[(1, 253111280), (2, 126555640), (4, 63277820), (5, 50622256), (8, 31638910), (10, 25311128), (16, 15819455), (20, 12655564), (31, 8164880), (40, 6327782), (62, 4082440), (80, 3163891), (124, 2041220), (155, 1632976), (248, 1020610), (310, 816488), (496, 510305), (620, 408244), (1240, 204122), (2480, 102061)]