25991160

素因数分解:

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

素因数の和:16688

約数の個数: 64

約数和(自身を含む): 83976480

約数和(自身を除く): 57985320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16661, 33322, 49983, 66644, 83305, 99966, 133288, 166610, 199932, 216593, 249915, 333220, 399864, 433186, 499830, 649779, 666440, 866372, 999660, 1082965, 1299558, 1732744, 1999320, 2165930, 2599116, 3248895, 4331860, 5198232, 6497790, 8663720, 12995580, 25991160]

約数ペア:

[(1, 25991160), (2, 12995580), (3, 8663720), (4, 6497790), (5, 5198232), (6, 4331860), (8, 3248895), (10, 2599116), (12, 2165930), (13, 1999320), (15, 1732744), (20, 1299558), (24, 1082965), (26, 999660), (30, 866372), (39, 666440), (40, 649779), (52, 499830), (60, 433186), (65, 399864), (78, 333220), (104, 249915), (120, 216593), (130, 199932), (156, 166610), (195, 133288), (260, 99966), (312, 83305), (390, 66644), (520, 49983), (780, 33322), (1560, 16661)]