17797520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 45257520

約数和(自身を除く): 27460000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 157, 208, 218, 260, 314, 436, 520, 545, 628, 785, 872, 1040, 1090, 1256, 1417, 1570, 1744, 2041, 2180, 2512, 2834, 3140, 4082, 4360, 5668, 6280, 7085, 8164, 8720, 10205, 11336, 12560, 14170, 16328, 17113, 20410, 22672, 28340, 32656, 34226, 40820, 56680, 68452, 81640, 85565, 113360, 136904, 163280, 171130, 222469, 273808, 342260, 444938, 684520, 889876, 1112345, 1369040, 1779752, 2224690, 3559504, 4449380, 8898760, 17797520]

約数ペア:

[(1, 17797520), (2, 8898760), (4, 4449380), (5, 3559504), (8, 2224690), (10, 1779752), (13, 1369040), (16, 1112345), (20, 889876), (26, 684520), (40, 444938), (52, 342260), (65, 273808), (80, 222469), (104, 171130), (109, 163280), (130, 136904), (157, 113360), (208, 85565), (218, 81640), (260, 68452), (314, 56680), (436, 40820), (520, 34226), (545, 32656), (628, 28340), (785, 22672), (872, 20410), (1040, 17113), (1090, 16328), (1256, 14170), (1417, 12560), (1570, 11336), (1744, 10205), (2041, 8720), (2180, 8164), (2512, 7085), (2834, 6280), (3140, 5668), (4082, 4360)]