31001420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25411}}^1$

素因数の和:25481

約数の個数: 24

約数和(自身を含む): 66172848

約数和(自身を除く): 35171428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 25411, 50822, 101644, 127055, 254110, 508220, 1550071, 3100142, 6200284, 7750355, 15500710, 31001420]

約数ペア:

[(1, 31001420), (2, 15500710), (4, 7750355), (5, 6200284), (10, 3100142), (20, 1550071), (61, 508220), (122, 254110), (244, 127055), (305, 101644), (610, 50822), (1220, 25411)]