12995580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16661}}^1$

素因数の和:16686

約数の個数: 48

約数和(自身を含む): 39189024

約数和(自身を除く): 26193444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16661, 33322, 49983, 66644, 83305, 99966, 166610, 199932, 216593, 249915, 333220, 433186, 499830, 649779, 866372, 999660, 1082965, 1299558, 2165930, 2599116, 3248895, 4331860, 6497790, 12995580]

約数ペア:

[(1, 12995580), (2, 6497790), (3, 4331860), (4, 3248895), (5, 2599116), (6, 2165930), (10, 1299558), (12, 1082965), (13, 999660), (15, 866372), (20, 649779), (26, 499830), (30, 433186), (39, 333220), (52, 249915), (60, 216593), (65, 199932), (78, 166610), (130, 99966), (156, 83305), (195, 66644), (260, 49983), (390, 33322), (780, 16661)]