4021420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15467}}^1$

素因数の和:15489

約数の個数: 24

約数和(自身を含む): 9095184

約数和(自身を除く): 5073764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15467, 30934, 61868, 77335, 154670, 201071, 309340, 402142, 804284, 1005355, 2010710, 4021420]

約数ペア:

[(1, 4021420), (2, 2010710), (4, 1005355), (5, 804284), (10, 402142), (13, 309340), (20, 201071), (26, 154670), (52, 77335), (65, 61868), (130, 30934), (260, 15467)]