30523640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109013}}^1$

素因数の和:109031

約数の個数: 32

約数和(自身を含む): 78490080

約数和(自身を除く): 47966440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109013, 218026, 436052, 545065, 763091, 872104, 1090130, 1526182, 2180260, 3052364, 3815455, 4360520, 6104728, 7630910, 15261820, 30523640]

約数ペア:

[(1, 30523640), (2, 15261820), (4, 7630910), (5, 6104728), (7, 4360520), (8, 3815455), (10, 3052364), (14, 2180260), (20, 1526182), (28, 1090130), (35, 872104), (40, 763091), (56, 545065), (70, 436052), (140, 218026), (280, 109013)]