28416040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 39442520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 461, 536, 670, 920, 922, 1340, 1541, 1844, 2305, 2680, 3082, 3688, 4610, 6164, 7705, 9220, 10603, 12328, 15410, 18440, 21206, 30820, 30887, 42412, 53015, 61640, 61774, 84824, 106030, 123548, 154435, 212060, 247096, 308870, 424120, 617740, 710401, 1235480, 1420802, 2841604, 3552005, 5683208, 7104010, 14208020, 28416040]

約数ペア:

[(1, 28416040), (2, 14208020), (4, 7104010), (5, 5683208), (8, 3552005), (10, 2841604), (20, 1420802), (23, 1235480), (40, 710401), (46, 617740), (67, 424120), (92, 308870), (115, 247096), (134, 212060), (184, 154435), (230, 123548), (268, 106030), (335, 84824), (460, 61774), (461, 61640), (536, 53015), (670, 42412), (920, 30887), (922, 30820), (1340, 21206), (1541, 18440), (1844, 15410), (2305, 12328), (2680, 10603), (3082, 9220), (3688, 7705), (4610, 6164)]