82127420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 189604800

約数和(自身を除く): 107477380

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 43, 58, 74, 86, 89, 116, 145, 148, 172, 178, 185, 215, 290, 356, 370, 430, 445, 580, 740, 860, 890, 1073, 1247, 1591, 1780, 2146, 2494, 2581, 3182, 3293, 3827, 4292, 4988, 5162, 5365, 6235, 6364, 6586, 7654, 7955, 10324, 10730, 12470, 12905, 13172, 15308, 15910, 16465, 19135, 21460, 24940, 25810, 31820, 32930, 38270, 46139, 51620, 65860, 76540, 92278, 95497, 110983, 141599, 184556, 190994, 221966, 230695, 283198, 381988, 443932, 461390, 477485, 554915, 566396, 707995, 922780, 954970, 1109830, 1415990, 1909940, 2219660, 2831980, 4106371, 8212742, 16425484, 20531855, 41063710, 82127420]

約数ペア:

[(1, 82127420), (2, 41063710), (4, 20531855), (5, 16425484), (10, 8212742), (20, 4106371), (29, 2831980), (37, 2219660), (43, 1909940), (58, 1415990), (74, 1109830), (86, 954970), (89, 922780), (116, 707995), (145, 566396), (148, 554915), (172, 477485), (178, 461390), (185, 443932), (215, 381988), (290, 283198), (356, 230695), (370, 221966), (430, 190994), (445, 184556), (580, 141599), (740, 110983), (860, 95497), (890, 92278), (1073, 76540), (1247, 65860), (1591, 51620), (1780, 46139), (2146, 38270), (2494, 32930), (2581, 31820), (3182, 25810), (3293, 24940), (3827, 21460), (4292, 19135), (4988, 16465), (5162, 15910), (5365, 15308), (6235, 13172), (6364, 12905), (6586, 12470), (7654, 10730), (7955, 10324)]