82947320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 194365440

約数和(自身を除く): 111418120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 151, 155, 248, 302, 310, 443, 604, 620, 755, 886, 1208, 1240, 1510, 1772, 2215, 3020, 3544, 4430, 4681, 6040, 8860, 9362, 13733, 17720, 18724, 23405, 27466, 37448, 46810, 54932, 66893, 68665, 93620, 109864, 133786, 137330, 187240, 267572, 274660, 334465, 535144, 549320, 668930, 1337860, 2073683, 2675720, 4147366, 8294732, 10368415, 16589464, 20736830, 41473660, 82947320]

約数ペア:

[(1, 82947320), (2, 41473660), (4, 20736830), (5, 16589464), (8, 10368415), (10, 8294732), (20, 4147366), (31, 2675720), (40, 2073683), (62, 1337860), (124, 668930), (151, 549320), (155, 535144), (248, 334465), (302, 274660), (310, 267572), (443, 187240), (604, 137330), (620, 133786), (755, 109864), (886, 93620), (1208, 68665), (1240, 66893), (1510, 54932), (1772, 46810), (2215, 37448), (3020, 27466), (3544, 23405), (4430, 18724), (4681, 17720), (6040, 13733), (8860, 9362)]