2013115820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1\times {\mathrm{2579}}^1$

素因数の和:3878

約数の個数: 48

約数和(自身を含む): 4369075200

約数和(自身を除く): 2355959380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1259, 2518, 2579, 5036, 5158, 6295, 10316, 12590, 12895, 25180, 25790, 39029, 51580, 78058, 79949, 156116, 159898, 195145, 319796, 390290, 399745, 780580, 799490, 1598980, 3246961, 6493922, 12987844, 16234805, 32469610, 64939220, 100655791, 201311582, 402623164, 503278955, 1006557910, 2013115820]

約数ペア:

[(1, 2013115820), (2, 1006557910), (4, 503278955), (5, 402623164), (10, 201311582), (20, 100655791), (31, 64939220), (62, 32469610), (124, 16234805), (155, 12987844), (310, 6493922), (620, 3246961), (1259, 1598980), (2518, 799490), (2579, 780580), (5036, 399745), (5158, 390290), (6295, 319796), (10316, 195145), (12590, 159898), (12895, 156116), (25180, 79949), (25790, 78058), (39029, 51580)]