80166100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 201737088

約数和(自身を除く): 121570988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1613, 1775, 1988, 2485, 3226, 3550, 4970, 6452, 7100, 8065, 9940, 11291, 12425, 16130, 22582, 24850, 32260, 40325, 45164, 49700, 56455, 80650, 112910, 114523, 161300, 225820, 229046, 282275, 458092, 564550, 572615, 801661, 1129100, 1145230, 1603322, 2290460, 2863075, 3206644, 4008305, 5726150, 8016610, 11452300, 16033220, 20041525, 40083050, 80166100]

約数ペア:

[(1, 80166100), (2, 40083050), (4, 20041525), (5, 16033220), (7, 11452300), (10, 8016610), (14, 5726150), (20, 4008305), (25, 3206644), (28, 2863075), (35, 2290460), (50, 1603322), (70, 1145230), (71, 1129100), (100, 801661), (140, 572615), (142, 564550), (175, 458092), (284, 282275), (350, 229046), (355, 225820), (497, 161300), (700, 114523), (710, 112910), (994, 80650), (1420, 56455), (1613, 49700), (1775, 45164), (1988, 40325), (2485, 32260), (3226, 24850), (3550, 22582), (4970, 16130), (6452, 12425), (7100, 11291), (8065, 9940)]