40462020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11831}}^1$

素因数の和:11865

約数の個数: 72

約数和(自身を含む): 129205440

約数和(自身を除く): 88743420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 11831, 23662, 35493, 47324, 59155, 70986, 106479, 118310, 141972, 177465, 212958, 224789, 236620, 354930, 425916, 449578, 532395, 674367, 709860, 899156, 1064790, 1123945, 1348734, 2023101, 2129580, 2247890, 2697468, 3371835, 4046202, 4495780, 6743670, 8092404, 10115505, 13487340, 20231010, 40462020]

約数ペア:

[(1, 40462020), (2, 20231010), (3, 13487340), (4, 10115505), (5, 8092404), (6, 6743670), (9, 4495780), (10, 4046202), (12, 3371835), (15, 2697468), (18, 2247890), (19, 2129580), (20, 2023101), (30, 1348734), (36, 1123945), (38, 1064790), (45, 899156), (57, 709860), (60, 674367), (76, 532395), (90, 449578), (95, 425916), (114, 354930), (171, 236620), (180, 224789), (190, 212958), (228, 177465), (285, 141972), (342, 118310), (380, 106479), (570, 70986), (684, 59155), (855, 47324), (1140, 35493), (1710, 23662), (3420, 11831)]