25242620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5711}}^1$

素因数の和:5750

約数の個数: 48

約数和(自身を含む): 60455808

約数和(自身を除く): 35213188

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 5711, 11422, 22844, 28555, 57110, 74243, 97087, 114220, 148486, 194174, 296972, 371215, 388348, 485435, 742430, 970870, 1262131, 1484860, 1941740, 2524262, 5048524, 6310655, 12621310, 25242620]

約数ペア:

[(1, 25242620), (2, 12621310), (4, 6310655), (5, 5048524), (10, 2524262), (13, 1941740), (17, 1484860), (20, 1262131), (26, 970870), (34, 742430), (52, 485435), (65, 388348), (68, 371215), (85, 296972), (130, 194174), (170, 148486), (221, 114220), (260, 97087), (340, 74243), (442, 57110), (884, 28555), (1105, 22844), (2210, 11422), (4420, 5711)]