40086760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2347}}^1$

素因数の和:2426

約数の個数: 64

約数和(自身を含む): 104814720

約数和(自身を除く): 64727960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2347, 2440, 3416, 4270, 4694, 8540, 9388, 11735, 16429, 17080, 18776, 23470, 32858, 46940, 65716, 82145, 93880, 131432, 143167, 164290, 286334, 328580, 572668, 657160, 715835, 1002169, 1145336, 1431670, 2004338, 2863340, 4008676, 5010845, 5726680, 8017352, 10021690, 20043380, 40086760]

約数ペア:

[(1, 40086760), (2, 20043380), (4, 10021690), (5, 8017352), (7, 5726680), (8, 5010845), (10, 4008676), (14, 2863340), (20, 2004338), (28, 1431670), (35, 1145336), (40, 1002169), (56, 715835), (61, 657160), (70, 572668), (122, 328580), (140, 286334), (244, 164290), (280, 143167), (305, 131432), (427, 93880), (488, 82145), (610, 65716), (854, 46940), (1220, 32858), (1708, 23470), (2135, 18776), (2347, 17080), (2440, 16429), (3416, 11735), (4270, 9388), (4694, 8540)]