80719420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{463}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 177730560

約数和(自身を除く): 97011140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 379, 460, 463, 758, 926, 1516, 1852, 1895, 2315, 3790, 4630, 7580, 8717, 9260, 10649, 17434, 21298, 34868, 42596, 43585, 53245, 87170, 106490, 174340, 175477, 212980, 350954, 701908, 877385, 1754770, 3509540, 4035971, 8071942, 16143884, 20179855, 40359710, 80719420]

約数ペア:

[(1, 80719420), (2, 40359710), (4, 20179855), (5, 16143884), (10, 8071942), (20, 4035971), (23, 3509540), (46, 1754770), (92, 877385), (115, 701908), (230, 350954), (379, 212980), (460, 175477), (463, 174340), (758, 106490), (926, 87170), (1516, 53245), (1852, 43585), (1895, 42596), (2315, 34868), (3790, 21298), (4630, 17434), (7580, 10649), (8717, 9260)]