16488140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 35834400

約数和(自身を除く): 19346260

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 157, 178, 236, 295, 314, 356, 445, 590, 628, 785, 890, 1180, 1570, 1780, 3140, 5251, 9263, 10502, 13973, 18526, 21004, 26255, 27946, 37052, 46315, 52510, 55892, 69865, 92630, 105020, 139730, 185260, 279460, 824407, 1648814, 3297628, 4122035, 8244070, 16488140]

約数ペア:

[(1, 16488140), (2, 8244070), (4, 4122035), (5, 3297628), (10, 1648814), (20, 824407), (59, 279460), (89, 185260), (118, 139730), (157, 105020), (178, 92630), (236, 69865), (295, 55892), (314, 52510), (356, 46315), (445, 37052), (590, 27946), (628, 26255), (785, 21004), (890, 18526), (1180, 13973), (1570, 10502), (1780, 9263), (3140, 5251)]