25384190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 27838210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 190, 215, 239, 247, 430, 478, 494, 559, 817, 1118, 1195, 1235, 1634, 2390, 2470, 2795, 3107, 4085, 4541, 5590, 6214, 8170, 9082, 10277, 10621, 15535, 20554, 21242, 22705, 31070, 45410, 51385, 53105, 59033, 102770, 106210, 118066, 133601, 195263, 267202, 295165, 390526, 590330, 668005, 976315, 1336010, 1952630, 2538419, 5076838, 12692095, 25384190]

約数ペア:

[(1, 25384190), (2, 12692095), (5, 5076838), (10, 2538419), (13, 1952630), (19, 1336010), (26, 976315), (38, 668005), (43, 590330), (65, 390526), (86, 295165), (95, 267202), (130, 195263), (190, 133601), (215, 118066), (239, 106210), (247, 102770), (430, 59033), (478, 53105), (494, 51385), (559, 45410), (817, 31070), (1118, 22705), (1195, 21242), (1235, 20554), (1634, 15535), (2390, 10621), (2470, 10277), (2795, 9082), (3107, 8170), (4085, 6214), (4541, 5590)]