78338560

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 80

約数和(自身を含む): 190916352

約数和(自身を除く): 112577792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 431, 512, 568, 640, 710, 862, 1136, 1280, 1420, 1724, 2155, 2272, 2560, 2840, 3448, 4310, 4544, 5680, 6896, 8620, 9088, 11360, 13792, 17240, 18176, 22720, 27584, 30601, 34480, 36352, 45440, 55168, 61202, 68960, 90880, 110336, 122404, 137920, 153005, 181760, 220672, 244808, 275840, 306010, 489616, 551680, 612020, 979232, 1103360, 1224040, 1958464, 2448080, 3916928, 4896160, 7833856, 9792320, 15667712, 19584640, 39169280, 78338560]

約数ペア:

[(1, 78338560), (2, 39169280), (4, 19584640), (5, 15667712), (8, 9792320), (10, 7833856), (16, 4896160), (20, 3916928), (32, 2448080), (40, 1958464), (64, 1224040), (71, 1103360), (80, 979232), (128, 612020), (142, 551680), (160, 489616), (256, 306010), (284, 275840), (320, 244808), (355, 220672), (431, 181760), (512, 153005), (568, 137920), (640, 122404), (710, 110336), (862, 90880), (1136, 68960), (1280, 61202), (1420, 55168), (1724, 45440), (2155, 36352), (2272, 34480), (2560, 30601), (2840, 27584), (3448, 22720), (4310, 18176), (4544, 17240), (5680, 13792), (6896, 11360), (8620, 9088)]