28661920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 78357888

約数和(自身を除く): 49695968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 163, 224, 280, 314, 326, 560, 628, 652, 785, 815, 1099, 1120, 1141, 1256, 1304, 1570, 1630, 2198, 2282, 2512, 2608, 3140, 3260, 4396, 4564, 5024, 5216, 5495, 5705, 6280, 6520, 8792, 9128, 10990, 11410, 12560, 13040, 17584, 18256, 21980, 22820, 25120, 25591, 26080, 35168, 36512, 43960, 45640, 51182, 87920, 91280, 102364, 127955, 175840, 179137, 182560, 204728, 255910, 358274, 409456, 511820, 716548, 818912, 895685, 1023640, 1433096, 1791370, 2047280, 2866192, 3582740, 4094560, 5732384, 7165480, 14330960, 28661920]

約数ペア:

[(1, 28661920), (2, 14330960), (4, 7165480), (5, 5732384), (7, 4094560), (8, 3582740), (10, 2866192), (14, 2047280), (16, 1791370), (20, 1433096), (28, 1023640), (32, 895685), (35, 818912), (40, 716548), (56, 511820), (70, 409456), (80, 358274), (112, 255910), (140, 204728), (157, 182560), (160, 179137), (163, 175840), (224, 127955), (280, 102364), (314, 91280), (326, 87920), (560, 51182), (628, 45640), (652, 43960), (785, 36512), (815, 35168), (1099, 26080), (1120, 25591), (1141, 25120), (1256, 22820), (1304, 21980), (1570, 18256), (1630, 17584), (2198, 13040), (2282, 12560), (2512, 11410), (2608, 10990), (3140, 9128), (3260, 8792), (4396, 6520), (4564, 6280), (5024, 5705), (5216, 5495)]