2495129620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{4703}}^1$

素因数の和:5400

約数の個数: 48

約数和(自身を含む): 5377010688

約数和(自身を除く): 2881881068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 647, 820, 1294, 2588, 3235, 4703, 6470, 9406, 12940, 18812, 23515, 26527, 47030, 53054, 94060, 106108, 132635, 192823, 265270, 385646, 530540, 771292, 964115, 1928230, 3042841, 3856460, 6085682, 12171364, 15214205, 30428410, 60856820, 124756481, 249512962, 499025924, 623782405, 1247564810, 2495129620]

約数ペア:

[(1, 2495129620), (2, 1247564810), (4, 623782405), (5, 499025924), (10, 249512962), (20, 124756481), (41, 60856820), (82, 30428410), (164, 15214205), (205, 12171364), (410, 6085682), (647, 3856460), (820, 3042841), (1294, 1928230), (2588, 964115), (3235, 771292), (4703, 530540), (6470, 385646), (9406, 265270), (12940, 192823), (18812, 132635), (23515, 106108), (26527, 94060), (47030, 53054)]