128424760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{110711}}^1$

素因数の和:110751

約数の個数: 32

約数和(自身を含む): 298922400

約数和(自身を除く): 170497640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 110711, 221422, 442844, 553555, 885688, 1107110, 2214220, 3210619, 4428440, 6421238, 12842476, 16053095, 25684952, 32106190, 64212380, 128424760]

約数ペア:

[(1, 128424760), (2, 64212380), (4, 32106190), (5, 25684952), (8, 16053095), (10, 12842476), (20, 6421238), (29, 4428440), (40, 3210619), (58, 2214220), (116, 1107110), (145, 885688), (232, 553555), (290, 442844), (580, 221422), (1160, 110711)]