40478560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8161}}^1$

素因数の和:8207

約数の個数: 48

約数和(自身を含む): 98727552

約数和(自身を除く): 58248992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 8161, 16322, 32644, 40805, 65288, 81610, 130576, 163220, 252991, 261152, 326440, 505982, 652880, 1011964, 1264955, 1305760, 2023928, 2529910, 4047856, 5059820, 8095712, 10119640, 20239280, 40478560]

約数ペア:

[(1, 40478560), (2, 20239280), (4, 10119640), (5, 8095712), (8, 5059820), (10, 4047856), (16, 2529910), (20, 2023928), (31, 1305760), (32, 1264955), (40, 1011964), (62, 652880), (80, 505982), (124, 326440), (155, 261152), (160, 252991), (248, 163220), (310, 130576), (496, 81610), (620, 65288), (992, 40805), (1240, 32644), (2480, 16322), (4960, 8161)]