80696240

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10399}}^1$

素因数の和:10509

約数の個数: 40

約数和(自身を含む): 189571200

約数和(自身を除く): 108874960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10399, 20798, 41596, 51995, 83192, 103990, 166384, 207980, 415960, 831920, 1008703, 2017406, 4034812, 5043515, 8069624, 10087030, 16139248, 20174060, 40348120, 80696240]

約数ペア:

[(1, 80696240), (2, 40348120), (4, 20174060), (5, 16139248), (8, 10087030), (10, 8069624), (16, 5043515), (20, 4034812), (40, 2017406), (80, 1008703), (97, 831920), (194, 415960), (388, 207980), (485, 166384), (776, 103990), (970, 83192), (1552, 51995), (1940, 41596), (3880, 20798), (7760, 10399)]