1283214140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{20479}}^1$

素因数の和:20742

約数の個数: 48

約数和(自身を含む): 2914222080

約数和(自身を除く): 1631007940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 4820, 6266, 12532, 15665, 20479, 31330, 40958, 62660, 81916, 102395, 204790, 266227, 409580, 532454, 1064908, 1331135, 2662270, 4935439, 5324540, 9870878, 19741756, 24677195, 49354390, 64160707, 98708780, 128321414, 256642828, 320803535, 641607070, 1283214140]

約数ペア:

[(1, 1283214140), (2, 641607070), (4, 320803535), (5, 256642828), (10, 128321414), (13, 98708780), (20, 64160707), (26, 49354390), (52, 24677195), (65, 19741756), (130, 9870878), (241, 5324540), (260, 4935439), (482, 2662270), (964, 1331135), (1205, 1064908), (2410, 532454), (3133, 409580), (4820, 266227), (6266, 204790), (12532, 102395), (15665, 81916), (20479, 62660), (31330, 40958)]