80184760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 186040800

約数和(自身を除く): 105856040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 347, 424, 436, 530, 545, 694, 872, 1060, 1090, 1388, 1735, 2120, 2180, 2776, 3470, 4360, 5777, 6940, 11554, 13880, 18391, 23108, 28885, 36782, 37823, 46216, 57770, 73564, 75646, 91955, 115540, 147128, 151292, 183910, 189115, 231080, 302584, 367820, 378230, 735640, 756460, 1512920, 2004619, 4009238, 8018476, 10023095, 16036952, 20046190, 40092380, 80184760]

約数ペア:

[(1, 80184760), (2, 40092380), (4, 20046190), (5, 16036952), (8, 10023095), (10, 8018476), (20, 4009238), (40, 2004619), (53, 1512920), (106, 756460), (109, 735640), (212, 378230), (218, 367820), (265, 302584), (347, 231080), (424, 189115), (436, 183910), (530, 151292), (545, 147128), (694, 115540), (872, 91955), (1060, 75646), (1090, 73564), (1388, 57770), (1735, 46216), (2120, 37823), (2180, 36782), (2776, 28885), (3470, 23108), (4360, 18391), (5777, 13880), (6940, 11554)]