12516400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 33904080

約数和(自身を除く): 21387680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 83, 100, 104, 116, 130, 145, 166, 200, 208, 232, 260, 290, 325, 332, 377, 400, 415, 464, 520, 580, 650, 664, 725, 754, 830, 1040, 1079, 1160, 1300, 1328, 1450, 1508, 1660, 1885, 2075, 2158, 2320, 2407, 2600, 2900, 3016, 3320, 3770, 4150, 4316, 4814, 5200, 5395, 5800, 6032, 6640, 7540, 8300, 8632, 9425, 9628, 10790, 11600, 12035, 15080, 16600, 17264, 18850, 19256, 21580, 24070, 26975, 30160, 31291, 33200, 37700, 38512, 43160, 48140, 53950, 60175, 62582, 75400, 86320, 96280, 107900, 120350, 125164, 150800, 156455, 192560, 215800, 240700, 250328, 312910, 431600, 481400, 500656, 625820, 782275, 962800, 1251640, 1564550, 2503280, 3129100, 6258200, 12516400]

約数ペア:

[(1, 12516400), (2, 6258200), (4, 3129100), (5, 2503280), (8, 1564550), (10, 1251640), (13, 962800), (16, 782275), (20, 625820), (25, 500656), (26, 481400), (29, 431600), (40, 312910), (50, 250328), (52, 240700), (58, 215800), (65, 192560), (80, 156455), (83, 150800), (100, 125164), (104, 120350), (116, 107900), (130, 96280), (145, 86320), (166, 75400), (200, 62582), (208, 60175), (232, 53950), (260, 48140), (290, 43160), (325, 38512), (332, 37700), (377, 33200), (400, 31291), (415, 30160), (464, 26975), (520, 24070), (580, 21580), (650, 19256), (664, 18850), (725, 17264), (754, 16600), (830, 15080), (1040, 12035), (1079, 11600), (1160, 10790), (1300, 9628), (1328, 9425), (1450, 8632), (1508, 8300), (1660, 7540), (1885, 6640), (2075, 6032), (2158, 5800), (2320, 5395), (2407, 5200), (2600, 4814), (2900, 4316), (3016, 4150), (3320, 3770)]