165859460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{5023}}^1$

素因数の和:5172

約数の個数: 48

約数和(自身を含む): 378126336

約数和(自身を除く): 212266876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 5023, 6604, 8255, 10046, 16510, 20092, 25115, 33020, 50230, 65299, 100460, 130598, 261196, 326495, 637921, 652990, 1275842, 1305980, 2551684, 3189605, 6379210, 8292973, 12758420, 16585946, 33171892, 41464865, 82929730, 165859460]

約数ペア:

[(1, 165859460), (2, 82929730), (4, 41464865), (5, 33171892), (10, 16585946), (13, 12758420), (20, 8292973), (26, 6379210), (52, 3189605), (65, 2551684), (127, 1305980), (130, 1275842), (254, 652990), (260, 637921), (508, 326495), (635, 261196), (1270, 130598), (1651, 100460), (2540, 65299), (3302, 50230), (5023, 33020), (6604, 25115), (8255, 20092), (10046, 16510)]