80839300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 186515840

約数和(自身を除く): 105676540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 157, 190, 271, 314, 380, 475, 542, 628, 785, 950, 1084, 1355, 1570, 1900, 2710, 2983, 3140, 3925, 5149, 5420, 5966, 6775, 7850, 10298, 11932, 13550, 14915, 15700, 20596, 25745, 27100, 29830, 42547, 51490, 59660, 74575, 85094, 102980, 128725, 149150, 170188, 212735, 257450, 298300, 425470, 514900, 808393, 850940, 1063675, 1616786, 2127350, 3233572, 4041965, 4254700, 8083930, 16167860, 20209825, 40419650, 80839300]

約数ペア:

[(1, 80839300), (2, 40419650), (4, 20209825), (5, 16167860), (10, 8083930), (19, 4254700), (20, 4041965), (25, 3233572), (38, 2127350), (50, 1616786), (76, 1063675), (95, 850940), (100, 808393), (157, 514900), (190, 425470), (271, 298300), (314, 257450), (380, 212735), (475, 170188), (542, 149150), (628, 128725), (785, 102980), (950, 85094), (1084, 74575), (1355, 59660), (1570, 51490), (1900, 42547), (2710, 29830), (2983, 27100), (3140, 25745), (3925, 20596), (5149, 15700), (5420, 14915), (5966, 13550), (6775, 11932), (7850, 10298)]