27256580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1327}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 62469120

約数和(自身を除く): 35212540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1327, 1580, 2054, 2654, 4108, 5135, 5308, 6635, 10270, 13270, 17251, 20540, 26540, 34502, 69004, 86255, 104833, 172510, 209666, 345020, 419332, 524165, 1048330, 1362829, 2096660, 2725658, 5451316, 6814145, 13628290, 27256580]

約数ペア:

[(1, 27256580), (2, 13628290), (4, 6814145), (5, 5451316), (10, 2725658), (13, 2096660), (20, 1362829), (26, 1048330), (52, 524165), (65, 419332), (79, 345020), (130, 209666), (158, 172510), (260, 104833), (316, 86255), (395, 69004), (790, 34502), (1027, 26540), (1327, 20540), (1580, 17251), (2054, 13270), (2654, 10270), (4108, 6635), (5135, 5308)]