25240720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5953}}^1$

素因数の和:6019

約数の個数: 40

約数和(自身を含む): 59801976

約数和(自身を除く): 34561256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 5953, 11906, 23812, 29765, 47624, 59530, 95248, 119060, 238120, 315509, 476240, 631018, 1262036, 1577545, 2524072, 3155090, 5048144, 6310180, 12620360, 25240720]

約数ペア:

[(1, 25240720), (2, 12620360), (4, 6310180), (5, 5048144), (8, 3155090), (10, 2524072), (16, 1577545), (20, 1262036), (40, 631018), (53, 476240), (80, 315509), (106, 238120), (212, 119060), (265, 95248), (424, 59530), (530, 47624), (848, 29765), (1060, 23812), (2120, 11906), (4240, 5953)]