13054640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 33346080

約数和(自身を除く): 20291440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 331, 340, 464, 493, 580, 662, 680, 986, 1160, 1324, 1360, 1655, 1972, 2320, 2465, 2648, 3310, 3944, 4930, 5296, 5627, 6620, 7888, 9599, 9860, 11254, 13240, 19198, 19720, 22508, 26480, 28135, 38396, 39440, 45016, 47995, 56270, 76792, 90032, 95990, 112540, 153584, 163183, 191980, 225080, 326366, 383960, 450160, 652732, 767920, 815915, 1305464, 1631830, 2610928, 3263660, 6527320, 13054640]

約数ペア:

[(1, 13054640), (2, 6527320), (4, 3263660), (5, 2610928), (8, 1631830), (10, 1305464), (16, 815915), (17, 767920), (20, 652732), (29, 450160), (34, 383960), (40, 326366), (58, 225080), (68, 191980), (80, 163183), (85, 153584), (116, 112540), (136, 95990), (145, 90032), (170, 76792), (232, 56270), (272, 47995), (290, 45016), (331, 39440), (340, 38396), (464, 28135), (493, 26480), (580, 22508), (662, 19720), (680, 19198), (986, 13240), (1160, 11254), (1324, 9860), (1360, 9599), (1655, 7888), (1972, 6620), (2320, 5627), (2465, 5296), (2648, 4930), (3310, 3944)]