25778940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 79591680

約数和(自身を除く): 53812740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 139, 165, 220, 278, 281, 330, 417, 556, 562, 660, 695, 834, 843, 1124, 1390, 1405, 1529, 1668, 1686, 2085, 2780, 2810, 3058, 3091, 3372, 4170, 4215, 4587, 5620, 6116, 6182, 7645, 8340, 8430, 9174, 9273, 12364, 15290, 15455, 16860, 18348, 18546, 22935, 30580, 30910, 37092, 39059, 45870, 46365, 61820, 78118, 91740, 92730, 117177, 156236, 185460, 195295, 234354, 390590, 429649, 468708, 585885, 781180, 859298, 1171770, 1288947, 1718596, 2148245, 2343540, 2577894, 4296490, 5155788, 6444735, 8592980, 12889470, 25778940]

約数ペア:

[(1, 25778940), (2, 12889470), (3, 8592980), (4, 6444735), (5, 5155788), (6, 4296490), (10, 2577894), (11, 2343540), (12, 2148245), (15, 1718596), (20, 1288947), (22, 1171770), (30, 859298), (33, 781180), (44, 585885), (55, 468708), (60, 429649), (66, 390590), (110, 234354), (132, 195295), (139, 185460), (165, 156236), (220, 117177), (278, 92730), (281, 91740), (330, 78118), (417, 61820), (556, 46365), (562, 45870), (660, 39059), (695, 37092), (834, 30910), (843, 30580), (1124, 22935), (1390, 18546), (1405, 18348), (1529, 16860), (1668, 15455), (1686, 15290), (2085, 12364), (2780, 9273), (2810, 9174), (3058, 8430), (3091, 8340), (3372, 7645), (4170, 6182), (4215, 6116), (4587, 5620)]