78457060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4007}}^1$

素因数の和:4116

約数の個数: 48

約数和(自身を含む): 181802880

約数和(自身を除く): 103345820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4007, 4895, 8014, 9790, 16028, 19580, 20035, 40070, 44077, 80140, 88154, 176308, 220385, 356623, 440770, 713246, 881540, 1426492, 1783115, 3566230, 3922853, 7132460, 7845706, 15691412, 19614265, 39228530, 78457060]

約数ペア:

[(1, 78457060), (2, 39228530), (4, 19614265), (5, 15691412), (10, 7845706), (11, 7132460), (20, 3922853), (22, 3566230), (44, 1783115), (55, 1426492), (89, 881540), (110, 713246), (178, 440770), (220, 356623), (356, 220385), (445, 176308), (890, 88154), (979, 80140), (1780, 44077), (1958, 40070), (3916, 20035), (4007, 19580), (4895, 16028), (8014, 9790)]