68501420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{541}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 155523648

約数和(自身を除く): 87022228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 541, 974, 1082, 1948, 2164, 2435, 2705, 4870, 5410, 6331, 7033, 9740, 10820, 12662, 14066, 25324, 28132, 31655, 35165, 63310, 70330, 126620, 140660, 263467, 526934, 1053868, 1317335, 2634670, 3425071, 5269340, 6850142, 13700284, 17125355, 34250710, 68501420]

約数ペア:

[(1, 68501420), (2, 34250710), (4, 17125355), (5, 13700284), (10, 6850142), (13, 5269340), (20, 3425071), (26, 2634670), (52, 1317335), (65, 1053868), (130, 526934), (260, 263467), (487, 140660), (541, 126620), (974, 70330), (1082, 63310), (1948, 35165), (2164, 31655), (2435, 28132), (2705, 25324), (4870, 14066), (5410, 12662), (6331, 10820), (7033, 9740)]