87164870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 178827264

約数和(自身を除く): 91662394

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 86, 130, 155, 215, 310, 403, 430, 503, 559, 806, 1006, 1118, 1333, 2015, 2515, 2666, 2795, 4030, 5030, 5590, 6539, 6665, 13078, 13330, 15593, 17329, 21629, 31186, 32695, 34658, 43258, 65390, 77965, 86645, 108145, 155930, 173290, 202709, 216290, 281177, 405418, 562354, 670499, 1013545, 1340998, 1405885, 2027090, 2811770, 3352495, 6704990, 8716487, 17432974, 43582435, 87164870]

約数ペア:

[(1, 87164870), (2, 43582435), (5, 17432974), (10, 8716487), (13, 6704990), (26, 3352495), (31, 2811770), (43, 2027090), (62, 1405885), (65, 1340998), (86, 1013545), (130, 670499), (155, 562354), (215, 405418), (310, 281177), (403, 216290), (430, 202709), (503, 173290), (559, 155930), (806, 108145), (1006, 86645), (1118, 77965), (1333, 65390), (2015, 43258), (2515, 34658), (2666, 32695), (2795, 31186), (4030, 21629), (5030, 17329), (5590, 15593), (6539, 13330), (6665, 13078)]