64966520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95539}}^1$

素因数の和:95567

約数の個数: 32

約数和(自身を含む): 154774800

約数和(自身を除く): 89808280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95539, 191078, 382156, 477695, 764312, 955390, 1624163, 1910780, 3248326, 3821560, 6496652, 8120815, 12993304, 16241630, 32483260, 64966520]

約数ペア:

[(1, 64966520), (2, 32483260), (4, 16241630), (5, 12993304), (8, 8120815), (10, 6496652), (17, 3821560), (20, 3248326), (34, 1910780), (40, 1624163), (68, 955390), (85, 764312), (136, 477695), (170, 382156), (340, 191078), (680, 95539)]