27891890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5233}}^1$

素因数の和:5294

約数の個数: 32

約数和(自身を含む): 55396656

約数和(自身を除く): 27504766

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5233, 5330, 10466, 26165, 52330, 68029, 136058, 214553, 340145, 429106, 680290, 1072765, 2145530, 2789189, 5578378, 13945945, 27891890]

約数ペア:

[(1, 27891890), (2, 13945945), (5, 5578378), (10, 2789189), (13, 2145530), (26, 1072765), (41, 680290), (65, 429106), (82, 340145), (130, 214553), (205, 136058), (410, 68029), (533, 52330), (1066, 26165), (2665, 10466), (5233, 5330)]