25670120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1871}}^1$

素因数の和:1903

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 41721880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1871, 1960, 2744, 3430, 3742, 6860, 7484, 9355, 13097, 13720, 14968, 18710, 26194, 37420, 52388, 65485, 74840, 91679, 104776, 130970, 183358, 261940, 366716, 458395, 523880, 641753, 733432, 916790, 1283506, 1833580, 2567012, 3208765, 3667160, 5134024, 6417530, 12835060, 25670120]

約数ペア:

[(1, 25670120), (2, 12835060), (4, 6417530), (5, 5134024), (7, 3667160), (8, 3208765), (10, 2567012), (14, 1833580), (20, 1283506), (28, 916790), (35, 733432), (40, 641753), (49, 523880), (56, 458395), (70, 366716), (98, 261940), (140, 183358), (196, 130970), (245, 104776), (280, 91679), (343, 74840), (392, 65485), (490, 52388), (686, 37420), (980, 26194), (1372, 18710), (1715, 14968), (1871, 13720), (1960, 13097), (2744, 9355), (3430, 7484), (3742, 6860)]