28892560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 70906176

約数和(自身を除く): 42013616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 227, 296, 344, 370, 430, 454, 592, 688, 740, 860, 908, 1135, 1480, 1591, 1720, 1816, 2270, 2960, 3182, 3440, 3632, 4540, 6364, 7955, 8399, 9080, 9761, 12728, 15910, 16798, 18160, 19522, 25456, 31820, 33596, 39044, 41995, 48805, 63640, 67192, 78088, 83990, 97610, 127280, 134384, 156176, 167980, 195220, 335960, 361157, 390440, 671920, 722314, 780880, 1444628, 1805785, 2889256, 3611570, 5778512, 7223140, 14446280, 28892560]

約数ペア:

[(1, 28892560), (2, 14446280), (4, 7223140), (5, 5778512), (8, 3611570), (10, 2889256), (16, 1805785), (20, 1444628), (37, 780880), (40, 722314), (43, 671920), (74, 390440), (80, 361157), (86, 335960), (148, 195220), (172, 167980), (185, 156176), (215, 134384), (227, 127280), (296, 97610), (344, 83990), (370, 78088), (430, 67192), (454, 63640), (592, 48805), (688, 41995), (740, 39044), (860, 33596), (908, 31820), (1135, 25456), (1480, 19522), (1591, 18160), (1720, 16798), (1816, 15910), (2270, 12728), (2960, 9761), (3182, 9080), (3440, 8399), (3632, 7955), (4540, 6364)]