2012276720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613499}}^1$

素因数の和:613553

約数の個数: 40

約数和(自身を含む): 4792662000

約数和(自身を除く): 2780385280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 613499, 1226998, 2453996, 3067495, 4907992, 6134990, 9815984, 12269980, 24539960, 25153459, 49079920, 50306918, 100613836, 125767295, 201227672, 251534590, 402455344, 503069180, 1006138360, 2012276720]

約数ペア:

[(1, 2012276720), (2, 1006138360), (4, 503069180), (5, 402455344), (8, 251534590), (10, 201227672), (16, 125767295), (20, 100613836), (40, 50306918), (41, 49079920), (80, 25153459), (82, 24539960), (164, 12269980), (205, 9815984), (328, 6134990), (410, 4907992), (656, 3067495), (820, 2453996), (1640, 1226998), (3280, 613499)]