8214740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 18788112

約数和(自身を除く): 10573372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 653, 740, 1258, 1306, 2516, 2612, 3145, 3265, 6290, 6530, 11101, 12580, 13060, 22202, 24161, 44404, 48322, 55505, 96644, 111010, 120805, 222020, 241610, 410737, 483220, 821474, 1642948, 2053685, 4107370, 8214740]

約数ペア:

[(1, 8214740), (2, 4107370), (4, 2053685), (5, 1642948), (10, 821474), (17, 483220), (20, 410737), (34, 241610), (37, 222020), (68, 120805), (74, 111010), (85, 96644), (148, 55505), (170, 48322), (185, 44404), (340, 24161), (370, 22202), (629, 13060), (653, 12580), (740, 11101), (1258, 6530), (1306, 6290), (2516, 3265), (2612, 3145)]