23195180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 50168160

約数和(自身を除く): 26972980

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 157, 166, 178, 314, 332, 356, 415, 445, 628, 785, 830, 890, 1570, 1660, 1780, 3140, 7387, 13031, 13973, 14774, 26062, 27946, 29548, 36935, 52124, 55892, 65155, 69865, 73870, 130310, 139730, 147740, 260620, 279460, 1159759, 2319518, 4639036, 5798795, 11597590, 23195180]

約数ペア:

[(1, 23195180), (2, 11597590), (4, 5798795), (5, 4639036), (10, 2319518), (20, 1159759), (83, 279460), (89, 260620), (157, 147740), (166, 139730), (178, 130310), (314, 73870), (332, 69865), (356, 65155), (415, 55892), (445, 52124), (628, 36935), (785, 29548), (830, 27946), (890, 26062), (1570, 14774), (1660, 13973), (1780, 13031), (3140, 7387)]