519882640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89021}}^1$

素因数の和:89107

約数の個数: 40

約数和(自身を含む): 1225298808

約数和(自身を除く): 705416168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 89021, 178042, 356084, 445105, 712168, 890210, 1424336, 1780420, 3560840, 6498533, 7121680, 12997066, 25994132, 32492665, 51988264, 64985330, 103976528, 129970660, 259941320, 519882640]

約数ペア:

[(1, 519882640), (2, 259941320), (4, 129970660), (5, 103976528), (8, 64985330), (10, 51988264), (16, 32492665), (20, 25994132), (40, 12997066), (73, 7121680), (80, 6498533), (146, 3560840), (292, 1780420), (365, 1424336), (584, 890210), (730, 712168), (1168, 445105), (1460, 356084), (2920, 178042), (5840, 89021)]