80396560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 194313456

約数和(自身を除く): 113916896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 157, 173, 185, 296, 314, 346, 370, 592, 628, 692, 740, 785, 865, 1256, 1384, 1480, 1570, 1730, 2512, 2768, 2960, 3140, 3460, 5809, 6280, 6401, 6920, 11618, 12560, 12802, 13840, 23236, 25604, 27161, 29045, 32005, 46472, 51208, 54322, 58090, 64010, 92944, 102416, 108644, 116180, 128020, 135805, 217288, 232360, 256040, 271610, 434576, 464720, 512080, 543220, 1004957, 1086440, 2009914, 2172880, 4019828, 5024785, 8039656, 10049570, 16079312, 20099140, 40198280, 80396560]

約数ペア:

[(1, 80396560), (2, 40198280), (4, 20099140), (5, 16079312), (8, 10049570), (10, 8039656), (16, 5024785), (20, 4019828), (37, 2172880), (40, 2009914), (74, 1086440), (80, 1004957), (148, 543220), (157, 512080), (173, 464720), (185, 434576), (296, 271610), (314, 256040), (346, 232360), (370, 217288), (592, 135805), (628, 128020), (692, 116180), (740, 108644), (785, 102416), (865, 92944), (1256, 64010), (1384, 58090), (1480, 54322), (1570, 51208), (1730, 46472), (2512, 32005), (2768, 29045), (2960, 27161), (3140, 25604), (3460, 23236), (5809, 13840), (6280, 12802), (6401, 12560), (6920, 11618)]