2018736880

素因数分解:

$2^4\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{21011}}^1$

素因数の和:22225

約数の個数: 40

約数和(自身を含む): 4697694864

約数和(自身を除く): 2678957984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1201, 2402, 4804, 6005, 9608, 12010, 19216, 21011, 24020, 42022, 48040, 84044, 96080, 105055, 168088, 210110, 336176, 420220, 840440, 1680880, 25234211, 50468422, 100936844, 126171055, 201873688, 252342110, 403747376, 504684220, 1009368440, 2018736880]

約数ペア:

[(1, 2018736880), (2, 1009368440), (4, 504684220), (5, 403747376), (8, 252342110), (10, 201873688), (16, 126171055), (20, 100936844), (40, 50468422), (80, 25234211), (1201, 1680880), (2402, 840440), (4804, 420220), (6005, 336176), (9608, 210110), (12010, 168088), (19216, 105055), (21011, 96080), (24020, 84044), (42022, 48040)]