99739280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{12853}}^1$

素因数の和:12963

約数の個数: 40

約数和(自身を含む): 234302712

約数和(自身を除く): 134563432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 12853, 25706, 51412, 64265, 102824, 128530, 205648, 257060, 514120, 1028240, 1246741, 2493482, 4986964, 6233705, 9973928, 12467410, 19947856, 24934820, 49869640, 99739280]

約数ペア:

[(1, 99739280), (2, 49869640), (4, 24934820), (5, 19947856), (8, 12467410), (10, 9973928), (16, 6233705), (20, 4986964), (40, 2493482), (80, 1246741), (97, 1028240), (194, 514120), (388, 257060), (485, 205648), (776, 128530), (970, 102824), (1552, 64265), (1940, 51412), (3880, 25706), (7760, 12853)]