53935780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 115864560

約数和(自身を除く): 61928780

約数列:

[1, 2, 4, 5, 10, 20, 89, 157, 178, 193, 314, 356, 386, 445, 628, 772, 785, 890, 965, 1570, 1780, 1930, 3140, 3860, 13973, 17177, 27946, 30301, 34354, 55892, 60602, 68708, 69865, 85885, 121204, 139730, 151505, 171770, 279460, 303010, 343540, 606020, 2696789, 5393578, 10787156, 13483945, 26967890, 53935780]

約数ペア:

[(1, 53935780), (2, 26967890), (4, 13483945), (5, 10787156), (10, 5393578), (20, 2696789), (89, 606020), (157, 343540), (178, 303010), (193, 279460), (314, 171770), (356, 151505), (386, 139730), (445, 121204), (628, 85885), (772, 69865), (785, 68708), (890, 60602), (965, 55892), (1570, 34354), (1780, 30301), (1930, 27946), (3140, 17177), (3860, 13973)]