11811280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 30404304

約数和(自身を除く): 18593024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 277, 328, 410, 520, 533, 554, 656, 820, 1040, 1066, 1108, 1385, 1640, 2132, 2216, 2665, 2770, 3280, 3601, 4264, 4432, 5330, 5540, 7202, 8528, 10660, 11080, 11357, 14404, 18005, 21320, 22160, 22714, 28808, 36010, 42640, 45428, 56785, 57616, 72020, 90856, 113570, 144040, 147641, 181712, 227140, 288080, 295282, 454280, 590564, 738205, 908560, 1181128, 1476410, 2362256, 2952820, 5905640, 11811280]

約数ペア:

[(1, 11811280), (2, 5905640), (4, 2952820), (5, 2362256), (8, 1476410), (10, 1181128), (13, 908560), (16, 738205), (20, 590564), (26, 454280), (40, 295282), (41, 288080), (52, 227140), (65, 181712), (80, 147641), (82, 144040), (104, 113570), (130, 90856), (164, 72020), (205, 57616), (208, 56785), (260, 45428), (277, 42640), (328, 36010), (410, 28808), (520, 22714), (533, 22160), (554, 21320), (656, 18005), (820, 14404), (1040, 11357), (1066, 11080), (1108, 10660), (1385, 8528), (1640, 7202), (2132, 5540), (2216, 5330), (2665, 4432), (2770, 4264), (3280, 3601)]