125480420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 284648448

約数和(自身を除く): 159168028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 991, 1948, 1982, 2435, 3964, 4870, 4955, 6331, 9740, 9910, 12662, 12883, 19820, 25324, 25766, 31655, 51532, 63310, 64415, 126620, 128830, 257660, 482617, 965234, 1930468, 2413085, 4826170, 6274021, 9652340, 12548042, 25096084, 31370105, 62740210, 125480420]

約数ペア:

[(1, 125480420), (2, 62740210), (4, 31370105), (5, 25096084), (10, 12548042), (13, 9652340), (20, 6274021), (26, 4826170), (52, 2413085), (65, 1930468), (130, 965234), (260, 482617), (487, 257660), (974, 128830), (991, 126620), (1948, 64415), (1982, 63310), (2435, 51532), (3964, 31655), (4870, 25766), (4955, 25324), (6331, 19820), (9740, 12883), (9910, 12662)]