40475985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12911}}^1$

素因数の和:12949

約数の個数: 32

約数和(自身を含む): 74373120

約数和(自身を除く): 33897135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 12911, 38733, 64555, 142021, 193665, 245309, 426063, 710105, 735927, 1226545, 2130315, 2698399, 3679635, 8095197, 13491995, 40475985]

約数ペア:

[(1, 40475985), (3, 13491995), (5, 8095197), (11, 3679635), (15, 2698399), (19, 2130315), (33, 1226545), (55, 735927), (57, 710105), (95, 426063), (165, 245309), (209, 193665), (285, 142021), (627, 64555), (1045, 38733), (3135, 12911)]