27862340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 64592640

約数和(自身を除く): 36730300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1423, 1780, 1958, 2846, 3916, 4895, 5692, 7115, 9790, 14230, 15653, 19580, 28460, 31306, 62612, 78265, 126647, 156530, 253294, 313060, 506588, 633235, 1266470, 1393117, 2532940, 2786234, 5572468, 6965585, 13931170, 27862340]

約数ペア:

[(1, 27862340), (2, 13931170), (4, 6965585), (5, 5572468), (10, 2786234), (11, 2532940), (20, 1393117), (22, 1266470), (44, 633235), (55, 506588), (89, 313060), (110, 253294), (178, 156530), (220, 126647), (356, 78265), (445, 62612), (890, 31306), (979, 28460), (1423, 19580), (1780, 15653), (1958, 14230), (2846, 9790), (3916, 7115), (4895, 5692)]