11983840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{619}}^1$

素因数の和:656

約数の個数: 72

約数和(自身を含む): 31169880

約数和(自身を除く): 19186040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 619, 880, 968, 1210, 1238, 1760, 1936, 2420, 2476, 3095, 3872, 4840, 4952, 6190, 6809, 9680, 9904, 12380, 13618, 19360, 19808, 24760, 27236, 34045, 49520, 54472, 68090, 74899, 99040, 108944, 136180, 149798, 217888, 272360, 299596, 374495, 544720, 599192, 748990, 1089440, 1198384, 1497980, 2396768, 2995960, 5991920, 11983840]

約数ペア:

[(1, 11983840), (2, 5991920), (4, 2995960), (5, 2396768), (8, 1497980), (10, 1198384), (11, 1089440), (16, 748990), (20, 599192), (22, 544720), (32, 374495), (40, 299596), (44, 272360), (55, 217888), (80, 149798), (88, 136180), (110, 108944), (121, 99040), (160, 74899), (176, 68090), (220, 54472), (242, 49520), (352, 34045), (440, 27236), (484, 24760), (605, 19808), (619, 19360), (880, 13618), (968, 12380), (1210, 9904), (1238, 9680), (1760, 6809), (1936, 6190), (2420, 4952), (2476, 4840), (3095, 3872)]