2000841680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{806791}}^1$

素因数の和:806835

約数の個数: 40

約数和(自身を含む): 4802025984

約数和(自身を除く): 2801184304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 806791, 1613582, 3227164, 4033955, 6454328, 8067910, 12908656, 16135820, 25010521, 32271640, 50021042, 64543280, 100042084, 125052605, 200084168, 250105210, 400168336, 500210420, 1000420840, 2000841680]

約数ペア:

[(1, 2000841680), (2, 1000420840), (4, 500210420), (5, 400168336), (8, 250105210), (10, 200084168), (16, 125052605), (20, 100042084), (31, 64543280), (40, 50021042), (62, 32271640), (80, 25010521), (124, 16135820), (155, 12908656), (248, 8067910), (310, 6454328), (496, 4033955), (620, 3227164), (1240, 1613582), (2480, 806791)]