40497520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10331}}^1$

素因数の和:10358

約数の個数: 60

約数和(自身を含む): 109539864

約数和(自身を除く): 69042344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10331, 20662, 41324, 51655, 72317, 82648, 103310, 144634, 165296, 206620, 289268, 361585, 413240, 506219, 578536, 723170, 826480, 1012438, 1157072, 1446340, 2024876, 2531095, 2892680, 4049752, 5062190, 5785360, 8099504, 10124380, 20248760, 40497520]

約数ペア:

[(1, 40497520), (2, 20248760), (4, 10124380), (5, 8099504), (7, 5785360), (8, 5062190), (10, 4049752), (14, 2892680), (16, 2531095), (20, 2024876), (28, 1446340), (35, 1157072), (40, 1012438), (49, 826480), (56, 723170), (70, 578536), (80, 506219), (98, 413240), (112, 361585), (140, 289268), (196, 206620), (245, 165296), (280, 144634), (392, 103310), (490, 82648), (560, 72317), (784, 51655), (980, 41324), (1960, 20662), (3920, 10331)]