80320856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1291}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 189768960

約数和(自身を除く): 109448104

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 308, 404, 616, 707, 808, 1111, 1291, 1414, 2222, 2582, 2828, 4444, 5164, 5656, 7777, 8888, 9037, 10328, 14201, 15554, 18074, 28402, 31108, 36148, 56804, 62216, 72296, 99407, 113608, 130391, 198814, 260782, 397628, 521564, 795256, 912737, 1043128, 1434301, 1825474, 2868602, 3650948, 5737204, 7301896, 10040107, 11474408, 20080214, 40160428, 80320856]

約数ペア:

[(1, 80320856), (2, 40160428), (4, 20080214), (7, 11474408), (8, 10040107), (11, 7301896), (14, 5737204), (22, 3650948), (28, 2868602), (44, 1825474), (56, 1434301), (77, 1043128), (88, 912737), (101, 795256), (154, 521564), (202, 397628), (308, 260782), (404, 198814), (616, 130391), (707, 113608), (808, 99407), (1111, 72296), (1291, 62216), (1414, 56804), (2222, 36148), (2582, 31108), (2828, 28402), (4444, 18074), (5164, 15554), (5656, 14201), (7777, 10328), (8888, 9037)]