5640500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 12776400

約数和(自身を除く): 7135900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 389, 500, 580, 725, 778, 1450, 1556, 1945, 2900, 3625, 3890, 7250, 7780, 9725, 11281, 14500, 19450, 22562, 38900, 45124, 48625, 56405, 97250, 112810, 194500, 225620, 282025, 564050, 1128100, 1410125, 2820250, 5640500]

約数ペア:

[(1, 5640500), (2, 2820250), (4, 1410125), (5, 1128100), (10, 564050), (20, 282025), (25, 225620), (29, 194500), (50, 112810), (58, 97250), (100, 56405), (116, 48625), (125, 45124), (145, 38900), (250, 22562), (290, 19450), (389, 14500), (500, 11281), (580, 9725), (725, 7780), (778, 7250), (1450, 3890), (1556, 3625), (1945, 2900)]