90963860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1291}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 206637312

約数和(自身を除く): 115673452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1084, 1291, 1355, 2582, 2710, 3523, 5164, 5420, 6455, 7046, 12910, 14092, 16783, 17615, 25820, 33566, 35230, 67132, 70460, 83915, 167830, 335660, 349861, 699722, 1399444, 1749305, 3498610, 4548193, 6997220, 9096386, 18192772, 22740965, 45481930, 90963860]

約数ペア:

[(1, 90963860), (2, 45481930), (4, 22740965), (5, 18192772), (10, 9096386), (13, 6997220), (20, 4548193), (26, 3498610), (52, 1749305), (65, 1399444), (130, 699722), (260, 349861), (271, 335660), (542, 167830), (1084, 83915), (1291, 70460), (1355, 67132), (2582, 35230), (2710, 33566), (3523, 25820), (5164, 17615), (5420, 16783), (6455, 14092), (7046, 12910)]