42129680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 103249344

約数和(自身を除く): 61119664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 331, 344, 370, 430, 592, 662, 688, 740, 860, 1324, 1480, 1591, 1655, 1720, 2648, 2960, 3182, 3310, 3440, 5296, 6364, 6620, 7955, 12247, 12728, 13240, 14233, 15910, 24494, 25456, 26480, 28466, 31820, 48988, 56932, 61235, 63640, 71165, 97976, 113864, 122470, 127280, 142330, 195952, 227728, 244940, 284660, 489880, 526621, 569320, 979760, 1053242, 1138640, 2106484, 2633105, 4212968, 5266210, 8425936, 10532420, 21064840, 42129680]

約数ペア:

[(1, 42129680), (2, 21064840), (4, 10532420), (5, 8425936), (8, 5266210), (10, 4212968), (16, 2633105), (20, 2106484), (37, 1138640), (40, 1053242), (43, 979760), (74, 569320), (80, 526621), (86, 489880), (148, 284660), (172, 244940), (185, 227728), (215, 195952), (296, 142330), (331, 127280), (344, 122470), (370, 113864), (430, 97976), (592, 71165), (662, 63640), (688, 61235), (740, 56932), (860, 48988), (1324, 31820), (1480, 28466), (1591, 26480), (1655, 25456), (1720, 24494), (2648, 15910), (2960, 14233), (3182, 13240), (3310, 12728), (3440, 12247), (5296, 7955), (6364, 6620)]