25238384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 52355280

約数和(自身を除く): 27116896

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1361, 2318, 2722, 4636, 5444, 9272, 10888, 18544, 21776, 25859, 51718, 83021, 103436, 166042, 206872, 332084, 413744, 664168, 1328336, 1577399, 3154798, 6309596, 12619192, 25238384]

約数ペア:

[(1, 25238384), (2, 12619192), (4, 6309596), (8, 3154798), (16, 1577399), (19, 1328336), (38, 664168), (61, 413744), (76, 332084), (122, 206872), (152, 166042), (244, 103436), (304, 83021), (488, 51718), (976, 25859), (1159, 21776), (1361, 18544), (2318, 10888), (2722, 9272), (4636, 5444)]