21777888740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1\times {\mathrm{28123}}^1$

素因数の和:29412

約数の個数: 48

約数和(自身を含む): 47248320000

約数和(自身を除く): 25470431260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1249, 2498, 4996, 6245, 12490, 24980, 28123, 38719, 56246, 77438, 112492, 140615, 154876, 193595, 281230, 387190, 562460, 774380, 871813, 1743626, 3487252, 4359065, 8718130, 17436260, 35125627, 70251254, 140502508, 175628135, 351256270, 702512540, 1088894437, 2177788874, 4355577748, 5444472185, 10888944370, 21777888740]

約数ペア:

[(1, 21777888740), (2, 10888944370), (4, 5444472185), (5, 4355577748), (10, 2177788874), (20, 1088894437), (31, 702512540), (62, 351256270), (124, 175628135), (155, 140502508), (310, 70251254), (620, 35125627), (1249, 17436260), (2498, 8718130), (4996, 4359065), (6245, 3487252), (12490, 1743626), (24980, 871813), (28123, 774380), (38719, 562460), (56246, 387190), (77438, 281230), (112492, 193595), (140615, 154876)]