180118640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173191}}^1$

素因数の和:173217

約数の個数: 40

約数和(自身を含む): 450991968

約数和(自身を除く): 270873328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 173191, 346382, 692764, 865955, 1385528, 1731910, 2251483, 2771056, 3463820, 4502966, 6927640, 9005932, 11257415, 13855280, 18011864, 22514830, 36023728, 45029660, 90059320, 180118640]

約数ペア:

[(1, 180118640), (2, 90059320), (4, 45029660), (5, 36023728), (8, 22514830), (10, 18011864), (13, 13855280), (16, 11257415), (20, 9005932), (26, 6927640), (40, 4502966), (52, 3463820), (65, 2771056), (80, 2251483), (104, 1731910), (130, 1385528), (208, 865955), (260, 692764), (520, 346382), (1040, 173191)]