40042580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 86292864

約数和(自身を除く): 46250284

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 163, 173, 284, 326, 346, 355, 652, 692, 710, 815, 865, 1420, 1630, 1730, 3260, 3460, 11573, 12283, 23146, 24566, 28199, 46292, 49132, 56398, 57865, 61415, 112796, 115730, 122830, 140995, 231460, 245660, 281990, 563980, 2002129, 4004258, 8008516, 10010645, 20021290, 40042580]

約数ペア:

[(1, 40042580), (2, 20021290), (4, 10010645), (5, 8008516), (10, 4004258), (20, 2002129), (71, 563980), (142, 281990), (163, 245660), (173, 231460), (284, 140995), (326, 122830), (346, 115730), (355, 112796), (652, 61415), (692, 57865), (710, 56398), (815, 49132), (865, 46292), (1420, 28199), (1630, 24566), (1730, 23146), (3260, 12283), (3460, 11573)]