40899020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 92547840

約数和(自身を除く): 51648820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 2503, 3268, 4085, 5006, 8170, 10012, 12515, 16340, 25030, 47557, 50060, 95114, 107629, 190228, 215258, 237785, 430516, 475570, 538145, 951140, 1076290, 2044951, 2152580, 4089902, 8179804, 10224755, 20449510, 40899020]

約数ペア:

[(1, 40899020), (2, 20449510), (4, 10224755), (5, 8179804), (10, 4089902), (19, 2152580), (20, 2044951), (38, 1076290), (43, 951140), (76, 538145), (86, 475570), (95, 430516), (172, 237785), (190, 215258), (215, 190228), (380, 107629), (430, 95114), (817, 50060), (860, 47557), (1634, 25030), (2503, 16340), (3268, 12515), (4085, 10012), (5006, 8170)]