80649460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1667}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 176541120

約数和(自身を除く): 95891660

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 1667, 2419, 3334, 4838, 6668, 8335, 9676, 12095, 16670, 24190, 33340, 48380, 68347, 98353, 136694, 196706, 273388, 341735, 393412, 491765, 683470, 983530, 1366940, 1967060, 4032473, 8064946, 16129892, 20162365, 40324730, 80649460]

約数ペア:

[(1, 80649460), (2, 40324730), (4, 20162365), (5, 16129892), (10, 8064946), (20, 4032473), (41, 1967060), (59, 1366940), (82, 983530), (118, 683470), (164, 491765), (205, 393412), (236, 341735), (295, 273388), (410, 196706), (590, 136694), (820, 98353), (1180, 68347), (1667, 48380), (2419, 33340), (3334, 24190), (4838, 16670), (6668, 12095), (8335, 9676)]