40408480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 110436480

約数和(自身を除く): 70028000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 331, 436, 545, 560, 662, 763, 872, 1090, 1120, 1324, 1526, 1655, 1744, 2180, 2317, 2648, 3052, 3310, 3488, 3815, 4360, 4634, 5296, 6104, 6620, 7630, 8720, 9268, 10592, 11585, 12208, 13240, 15260, 17440, 18536, 23170, 24416, 26480, 30520, 36079, 37072, 46340, 52960, 61040, 72158, 74144, 92680, 122080, 144316, 180395, 185360, 252553, 288632, 360790, 370720, 505106, 577264, 721580, 1010212, 1154528, 1262765, 1443160, 2020424, 2525530, 2886320, 4040848, 5051060, 5772640, 8081696, 10102120, 20204240, 40408480]

約数ペア:

[(1, 40408480), (2, 20204240), (4, 10102120), (5, 8081696), (7, 5772640), (8, 5051060), (10, 4040848), (14, 2886320), (16, 2525530), (20, 2020424), (28, 1443160), (32, 1262765), (35, 1154528), (40, 1010212), (56, 721580), (70, 577264), (80, 505106), (109, 370720), (112, 360790), (140, 288632), (160, 252553), (218, 185360), (224, 180395), (280, 144316), (331, 122080), (436, 92680), (545, 74144), (560, 72158), (662, 61040), (763, 52960), (872, 46340), (1090, 37072), (1120, 36079), (1324, 30520), (1526, 26480), (1655, 24416), (1744, 23170), (2180, 18536), (2317, 17440), (2648, 15260), (3052, 13240), (3310, 12208), (3488, 11585), (3815, 10592), (4360, 9268), (4634, 8720), (5296, 7630), (6104, 6620)]