253420880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{24943}}^1$

素因数の和:25083

約数の個数: 40

約数和(自身を含む): 593866752

約数和(自身を除く): 340445872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 24943, 49886, 99772, 124715, 199544, 249430, 399088, 498860, 997720, 1995440, 3167761, 6335522, 12671044, 15838805, 25342088, 31677610, 50684176, 63355220, 126710440, 253420880]

約数ペア:

[(1, 253420880), (2, 126710440), (4, 63355220), (5, 50684176), (8, 31677610), (10, 25342088), (16, 15838805), (20, 12671044), (40, 6335522), (80, 3167761), (127, 1995440), (254, 997720), (508, 498860), (635, 399088), (1016, 249430), (1270, 199544), (2032, 124715), (2540, 99772), (5080, 49886), (10160, 24943)]