11838640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1223}}^1$

素因数の和:1258

約数の個数: 60

約数和(自身を含む): 30279312

約数和(自身を除く): 18440672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1223, 1936, 2420, 2446, 4840, 4892, 6115, 9680, 9784, 12230, 13453, 19568, 24460, 26906, 48920, 53812, 67265, 97840, 107624, 134530, 147983, 215248, 269060, 295966, 538120, 591932, 739915, 1076240, 1183864, 1479830, 2367728, 2959660, 5919320, 11838640]

約数ペア:

[(1, 11838640), (2, 5919320), (4, 2959660), (5, 2367728), (8, 1479830), (10, 1183864), (11, 1076240), (16, 739915), (20, 591932), (22, 538120), (40, 295966), (44, 269060), (55, 215248), (80, 147983), (88, 134530), (110, 107624), (121, 97840), (176, 67265), (220, 53812), (242, 48920), (440, 26906), (484, 24460), (605, 19568), (880, 13453), (968, 12230), (1210, 9784), (1223, 9680), (1936, 6115), (2420, 4892), (2446, 4840)]