39952720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 101846160

約数和(自身を除く): 61893440

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, 340, 464, 493, 580, 680, 986, 1013, 1160, 1360, 1972, 2026, 2320, 2465, 3944, 4052, 4930, 5065, 7888, 8104, 9860, 10130, 16208, 17221, 19720, 20260, 29377, 34442, 39440, 40520, 58754, 68884, 81040, 86105, 117508, 137768, 146885, 172210, 235016, 275536, 293770, 344420, 470032, 499409, 587540, 688840, 998818, 1175080, 1377680, 1997636, 2350160, 2497045, 3995272, 4994090, 7990544, 9988180, 19976360, 39952720]

約数ペア:

[(1, 39952720), (2, 19976360), (4, 9988180), (5, 7990544), (8, 4994090), (10, 3995272), (16, 2497045), (17, 2350160), (20, 1997636), (29, 1377680), (34, 1175080), (40, 998818), (58, 688840), (68, 587540), (80, 499409), (85, 470032), (116, 344420), (136, 293770), (145, 275536), (170, 235016), (232, 172210), (272, 146885), (290, 137768), (340, 117508), (464, 86105), (493, 81040), (580, 68884), (680, 58754), (986, 40520), (1013, 39440), (1160, 34442), (1360, 29377), (1972, 20260), (2026, 19720), (2320, 17221), (2465, 16208), (3944, 10130), (4052, 9860), (4930, 8104), (5065, 7888)]