202865240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163601}}^1$

素因数の和:163643

約数の個数: 32

約数和(自身を含む): 471173760

約数和(自身を除く): 268308520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 163601, 327202, 654404, 818005, 1308808, 1636010, 3272020, 5071631, 6544040, 10143262, 20286524, 25358155, 40573048, 50716310, 101432620, 202865240]

約数ペア:

[(1, 202865240), (2, 101432620), (4, 50716310), (5, 40573048), (8, 25358155), (10, 20286524), (20, 10143262), (31, 6544040), (40, 5071631), (62, 3272020), (124, 1636010), (155, 1308808), (248, 818005), (310, 654404), (620, 327202), (1240, 163601)]