66436520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20011}}^1$

素因数の和:20105

約数の個数: 32

約数和(自身を含む): 151290720

約数和(自身を除く): 84854200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 20011, 40022, 80044, 100055, 160088, 200110, 400220, 800440, 1660913, 3321826, 6643652, 8304565, 13287304, 16609130, 33218260, 66436520]

約数ペア:

[(1, 66436520), (2, 33218260), (4, 16609130), (5, 13287304), (8, 8304565), (10, 6643652), (20, 3321826), (40, 1660913), (83, 800440), (166, 400220), (332, 200110), (415, 160088), (664, 100055), (830, 80044), (1660, 40022), (3320, 20011)]