80456426240

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1461781}}^1$

素因数の和:1461845

約数の個数: 72

約数和(自身を含む): 197200238928

約数和(自身を除く): 116743812688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 3440, 5504, 6880, 11008, 13760, 27520, 55040, 1461781, 2923562, 5847124, 7308905, 11694248, 14617810, 23388496, 29235620, 46776992, 58471240, 62856583, 93553984, 116942480, 125713166, 187107968, 233884960, 251426332, 314282915, 374215936, 467769920, 502852664, 628565830, 935539840, 1005705328, 1257131660, 1871079680, 2011410656, 2514263320, 4022821312, 5028526640, 8045642624, 10057053280, 16091285248, 20114106560, 40228213120, 80456426240]

約数ペア:

[(1, 80456426240), (2, 40228213120), (4, 20114106560), (5, 16091285248), (8, 10057053280), (10, 8045642624), (16, 5028526640), (20, 4022821312), (32, 2514263320), (40, 2011410656), (43, 1871079680), (64, 1257131660), (80, 1005705328), (86, 935539840), (128, 628565830), (160, 502852664), (172, 467769920), (215, 374215936), (256, 314282915), (320, 251426332), (344, 233884960), (430, 187107968), (640, 125713166), (688, 116942480), (860, 93553984), (1280, 62856583), (1376, 58471240), (1720, 46776992), (2752, 29235620), (3440, 23388496), (5504, 14617810), (6880, 11694248), (11008, 7308905), (13760, 5847124), (27520, 2923562), (55040, 1461781)]