51664340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28387}}^1$

素因数の和:28416

約数の個数: 48

約数和(自身を含む): 133537152

約数和(自身を除く): 81872812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28387, 56774, 113548, 141935, 198709, 283870, 369031, 397418, 567740, 738062, 794836, 993545, 1476124, 1845155, 1987090, 2583217, 3690310, 3974180, 5166434, 7380620, 10332868, 12916085, 25832170, 51664340]

約数ペア:

[(1, 51664340), (2, 25832170), (4, 12916085), (5, 10332868), (7, 7380620), (10, 5166434), (13, 3974180), (14, 3690310), (20, 2583217), (26, 1987090), (28, 1845155), (35, 1476124), (52, 993545), (65, 794836), (70, 738062), (91, 567740), (130, 397418), (140, 369031), (182, 283870), (260, 198709), (364, 141935), (455, 113548), (910, 56774), (1820, 28387)]