72560420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2113}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 163014768

約数和(自身を除く): 90454348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 2113, 3434, 4226, 6868, 8452, 8585, 10565, 17170, 21130, 34340, 35921, 42260, 71842, 143684, 179605, 213413, 359210, 426826, 718420, 853652, 1067065, 2134130, 3628021, 4268260, 7256042, 14512084, 18140105, 36280210, 72560420]

約数ペア:

[(1, 72560420), (2, 36280210), (4, 18140105), (5, 14512084), (10, 7256042), (17, 4268260), (20, 3628021), (34, 2134130), (68, 1067065), (85, 853652), (101, 718420), (170, 426826), (202, 359210), (340, 213413), (404, 179605), (505, 143684), (1010, 71842), (1717, 42260), (2020, 35921), (2113, 34340), (3434, 21130), (4226, 17170), (6868, 10565), (8452, 8585)]