12440560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 32176512

約数和(自身を除く): 19735952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 211, 220, 268, 335, 422, 440, 536, 670, 737, 844, 880, 1055, 1072, 1340, 1474, 1688, 2110, 2321, 2680, 2948, 3376, 3685, 4220, 4642, 5360, 5896, 7370, 8440, 9284, 11605, 11792, 14137, 14740, 16880, 18568, 23210, 28274, 29480, 37136, 46420, 56548, 58960, 70685, 92840, 113096, 141370, 155507, 185680, 226192, 282740, 311014, 565480, 622028, 777535, 1130960, 1244056, 1555070, 2488112, 3110140, 6220280, 12440560]

約数ペア:

[(1, 12440560), (2, 6220280), (4, 3110140), (5, 2488112), (8, 1555070), (10, 1244056), (11, 1130960), (16, 777535), (20, 622028), (22, 565480), (40, 311014), (44, 282740), (55, 226192), (67, 185680), (80, 155507), (88, 141370), (110, 113096), (134, 92840), (176, 70685), (211, 58960), (220, 56548), (268, 46420), (335, 37136), (422, 29480), (440, 28274), (536, 23210), (670, 18568), (737, 16880), (844, 14740), (880, 14137), (1055, 11792), (1072, 11605), (1340, 9284), (1474, 8440), (1688, 7370), (2110, 5896), (2321, 5360), (2680, 4642), (2948, 4220), (3376, 3685)]