80236420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 194939136

約数和(自身を除く): 114702716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 101, 110, 115, 157, 202, 220, 230, 253, 314, 404, 460, 505, 506, 628, 785, 1010, 1012, 1111, 1265, 1570, 1727, 2020, 2222, 2323, 2530, 3140, 3454, 3611, 4444, 4646, 5060, 5555, 6908, 7222, 8635, 9292, 11110, 11615, 14444, 15857, 17270, 18055, 22220, 23230, 25553, 31714, 34540, 36110, 39721, 46460, 51106, 63428, 72220, 79285, 79442, 102212, 127765, 158570, 158884, 174427, 198605, 255530, 317140, 348854, 364711, 397210, 511060, 697708, 729422, 794420, 872135, 1458844, 1744270, 1823555, 3488540, 3647110, 4011821, 7294220, 8023642, 16047284, 20059105, 40118210, 80236420]

約数ペア:

[(1, 80236420), (2, 40118210), (4, 20059105), (5, 16047284), (10, 8023642), (11, 7294220), (20, 4011821), (22, 3647110), (23, 3488540), (44, 1823555), (46, 1744270), (55, 1458844), (92, 872135), (101, 794420), (110, 729422), (115, 697708), (157, 511060), (202, 397210), (220, 364711), (230, 348854), (253, 317140), (314, 255530), (404, 198605), (460, 174427), (505, 158884), (506, 158570), (628, 127765), (785, 102212), (1010, 79442), (1012, 79285), (1111, 72220), (1265, 63428), (1570, 51106), (1727, 46460), (2020, 39721), (2222, 36110), (2323, 34540), (2530, 31714), (3140, 25553), (3454, 23230), (3611, 22220), (4444, 18055), (4646, 17270), (5060, 15857), (5555, 14444), (6908, 11615), (7222, 11110), (8635, 9292)]