2565720320

素因数分解:

$2^8\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{1669}}^1$

素因数の和:2891

約数の個数: 72

約数和(自身を含む): 6154504440

約数和(自身を除く): 3588784120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1201, 1280, 1669, 2402, 3338, 4804, 6005, 6676, 8345, 9608, 12010, 13352, 16690, 19216, 24020, 26704, 33380, 38432, 48040, 53408, 66760, 76864, 96080, 106816, 133520, 153728, 192160, 213632, 267040, 307456, 384320, 427264, 534080, 768640, 1068160, 1537280, 2004469, 2136320, 4008938, 8017876, 10022345, 16035752, 20044690, 32071504, 40089380, 64143008, 80178760, 128286016, 160357520, 256572032, 320715040, 513144064, 641430080, 1282860160, 2565720320]

約数ペア:

[(1, 2565720320), (2, 1282860160), (4, 641430080), (5, 513144064), (8, 320715040), (10, 256572032), (16, 160357520), (20, 128286016), (32, 80178760), (40, 64143008), (64, 40089380), (80, 32071504), (128, 20044690), (160, 16035752), (256, 10022345), (320, 8017876), (640, 4008938), (1201, 2136320), (1280, 2004469), (1669, 1537280), (2402, 1068160), (3338, 768640), (4804, 534080), (6005, 427264), (6676, 384320), (8345, 307456), (9608, 267040), (12010, 213632), (13352, 192160), (16690, 153728), (19216, 133520), (24020, 106816), (26704, 96080), (33380, 76864), (38432, 66760), (48040, 53408)]