1280521910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{8209}}^1$

素因数の和:9056

約数の個数: 32

約数和(自身を含む): 2429503200

約数和(自身を除く): 1148981290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 821, 1642, 4105, 8209, 8210, 15599, 16418, 31198, 41045, 77995, 82090, 155971, 155990, 311942, 779855, 1559710, 6739589, 13479178, 33697945, 67395890, 128052191, 256104382, 640260955, 1280521910]

約数ペア:

[(1, 1280521910), (2, 640260955), (5, 256104382), (10, 128052191), (19, 67395890), (38, 33697945), (95, 13479178), (190, 6739589), (821, 1559710), (1642, 779855), (4105, 311942), (8209, 155990), (8210, 155971), (15599, 82090), (16418, 77995), (31198, 41045)]