12920700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3313}}^1$

素因数の和:3343

約数の個数: 72

約数和(自身を含む): 40271728

約数和(自身を除く): 27351028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3313, 3900, 6626, 9939, 13252, 16565, 19878, 33130, 39756, 43069, 49695, 66260, 82825, 86138, 99390, 129207, 165650, 172276, 198780, 215345, 248475, 258414, 331300, 430690, 496950, 516828, 646035, 861380, 993900, 1076725, 1292070, 2153450, 2584140, 3230175, 4306900, 6460350, 12920700]

約数ペア:

[(1, 12920700), (2, 6460350), (3, 4306900), (4, 3230175), (5, 2584140), (6, 2153450), (10, 1292070), (12, 1076725), (13, 993900), (15, 861380), (20, 646035), (25, 516828), (26, 496950), (30, 430690), (39, 331300), (50, 258414), (52, 248475), (60, 215345), (65, 198780), (75, 172276), (78, 165650), (100, 129207), (130, 99390), (150, 86138), (156, 82825), (195, 66260), (260, 49695), (300, 43069), (325, 39756), (390, 33130), (650, 19878), (780, 16565), (975, 13252), (1300, 9939), (1950, 6626), (3313, 3900)]