31210640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 78463728

約数和(自身を除く): 47253088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 424, 433, 530, 680, 848, 866, 901, 1060, 1360, 1732, 1802, 2120, 2165, 3464, 3604, 4240, 4330, 4505, 6928, 7208, 7361, 8660, 9010, 14416, 14722, 17320, 18020, 22949, 29444, 34640, 36040, 36805, 45898, 58888, 72080, 73610, 91796, 114745, 117776, 147220, 183592, 229490, 294440, 367184, 390133, 458980, 588880, 780266, 917960, 1560532, 1835920, 1950665, 3121064, 3901330, 6242128, 7802660, 15605320, 31210640]

約数ペア:

[(1, 31210640), (2, 15605320), (4, 7802660), (5, 6242128), (8, 3901330), (10, 3121064), (16, 1950665), (17, 1835920), (20, 1560532), (34, 917960), (40, 780266), (53, 588880), (68, 458980), (80, 390133), (85, 367184), (106, 294440), (136, 229490), (170, 183592), (212, 147220), (265, 117776), (272, 114745), (340, 91796), (424, 73610), (433, 72080), (530, 58888), (680, 45898), (848, 36805), (866, 36040), (901, 34640), (1060, 29444), (1360, 22949), (1732, 18020), (1802, 17320), (2120, 14722), (2165, 14416), (3464, 9010), (3604, 8660), (4240, 7361), (4330, 7208), (4505, 6928)]