82513360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 198201600

約数和(自身を除く): 115688240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 73, 80, 142, 146, 199, 284, 292, 355, 365, 398, 568, 584, 710, 730, 796, 995, 1136, 1168, 1420, 1460, 1592, 1990, 2840, 2920, 3184, 3980, 5183, 5680, 5840, 7960, 10366, 14129, 14527, 15920, 20732, 25915, 28258, 29054, 41464, 51830, 56516, 58108, 70645, 72635, 82928, 103660, 113032, 116216, 141290, 145270, 207320, 226064, 232432, 282580, 290540, 414640, 565160, 581080, 1031417, 1130320, 1162160, 2062834, 4125668, 5157085, 8251336, 10314170, 16502672, 20628340, 41256680, 82513360]

約数ペア:

[(1, 82513360), (2, 41256680), (4, 20628340), (5, 16502672), (8, 10314170), (10, 8251336), (16, 5157085), (20, 4125668), (40, 2062834), (71, 1162160), (73, 1130320), (80, 1031417), (142, 581080), (146, 565160), (199, 414640), (284, 290540), (292, 282580), (355, 232432), (365, 226064), (398, 207320), (568, 145270), (584, 141290), (710, 116216), (730, 113032), (796, 103660), (995, 82928), (1136, 72635), (1168, 70645), (1420, 58108), (1460, 56516), (1592, 51830), (1990, 41464), (2840, 29054), (2920, 28258), (3184, 25915), (3980, 20732), (5183, 15920), (5680, 14527), (5840, 14129), (7960, 10366)]