25057040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3229}}^1$

素因数の和:3339

約数の個数: 40

約数和(自身を含む): 58876440

約数和(自身を除く): 33819400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3229, 3880, 6458, 7760, 12916, 16145, 25832, 32290, 51664, 64580, 129160, 258320, 313213, 626426, 1252852, 1566065, 2505704, 3132130, 5011408, 6264260, 12528520, 25057040]

約数ペア:

[(1, 25057040), (2, 12528520), (4, 6264260), (5, 5011408), (8, 3132130), (10, 2505704), (16, 1566065), (20, 1252852), (40, 626426), (80, 313213), (97, 258320), (194, 129160), (388, 64580), (485, 51664), (776, 32290), (970, 25832), (1552, 16145), (1940, 12916), (3229, 7760), (3880, 6458)]