5191420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 12051648

約数和(自身を除く): 6860228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 487, 533, 820, 974, 1066, 1948, 2132, 2435, 2665, 4870, 5330, 6331, 9740, 10660, 12662, 19967, 25324, 31655, 39934, 63310, 79868, 99835, 126620, 199670, 259571, 399340, 519142, 1038284, 1297855, 2595710, 5191420]

約数ペア:

[(1, 5191420), (2, 2595710), (4, 1297855), (5, 1038284), (10, 519142), (13, 399340), (20, 259571), (26, 199670), (41, 126620), (52, 99835), (65, 79868), (82, 63310), (130, 39934), (164, 31655), (205, 25324), (260, 19967), (410, 12662), (487, 10660), (533, 9740), (820, 6331), (974, 5330), (1066, 4870), (1948, 2665), (2132, 2435)]