28423640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101513}}^1$

素因数の和:101531

約数の個数: 32

約数和(自身を含む): 73090080

約数和(自身を除く): 44666440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101513, 203026, 406052, 507565, 710591, 812104, 1015130, 1421182, 2030260, 2842364, 3552955, 4060520, 5684728, 7105910, 14211820, 28423640]

約数ペア:

[(1, 28423640), (2, 14211820), (4, 7105910), (5, 5684728), (7, 4060520), (8, 3552955), (10, 2842364), (14, 2030260), (20, 1421182), (28, 1015130), (35, 812104), (40, 710591), (56, 507565), (70, 406052), (140, 203026), (280, 101513)]