12379540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 27546624

約数和(自身を除く): 15167084

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 487, 620, 820, 974, 1271, 1948, 2435, 2542, 4870, 5084, 6355, 9740, 12710, 15097, 19967, 25420, 30194, 39934, 60388, 75485, 79868, 99835, 150970, 199670, 301940, 399340, 618977, 1237954, 2475908, 3094885, 6189770, 12379540]

約数ペア:

[(1, 12379540), (2, 6189770), (4, 3094885), (5, 2475908), (10, 1237954), (20, 618977), (31, 399340), (41, 301940), (62, 199670), (82, 150970), (124, 99835), (155, 79868), (164, 75485), (205, 60388), (310, 39934), (410, 30194), (487, 25420), (620, 19967), (820, 15097), (974, 12710), (1271, 9740), (1948, 6355), (2435, 5084), (2542, 4870)]