73870420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{284117}}^1$

素因数の和:284139

約数の個数: 24

約数和(自身を含む): 167061384

約数和(自身を除く): 93190964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 284117, 568234, 1136468, 1420585, 2841170, 3693521, 5682340, 7387042, 14774084, 18467605, 36935210, 73870420]

約数ペア:

[(1, 73870420), (2, 36935210), (4, 18467605), (5, 14774084), (10, 7387042), (13, 5682340), (20, 3693521), (26, 2841170), (52, 1420585), (65, 1136468), (130, 568234), (260, 284117)]