139480360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{85049}}^1$

素因数の和:85101

約数の個数: 32

約数和(自身を含む): 321489000

約数和(自身を除く): 182008640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 85049, 170098, 340196, 425245, 680392, 850490, 1700980, 3401960, 3487009, 6974018, 13948036, 17435045, 27896072, 34870090, 69740180, 139480360]

約数ペア:

[(1, 139480360), (2, 69740180), (4, 34870090), (5, 27896072), (8, 17435045), (10, 13948036), (20, 6974018), (40, 3487009), (41, 3401960), (82, 1700980), (164, 850490), (205, 680392), (328, 425245), (410, 340196), (820, 170098), (1640, 85049)]