40074160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10223}}^1$

素因数の和:10250

約数の個数: 60

約数和(自身を含む): 108394848

約数和(自身を除く): 68320688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10223, 20446, 40892, 51115, 71561, 81784, 102230, 143122, 163568, 204460, 286244, 357805, 408920, 500927, 572488, 715610, 817840, 1001854, 1144976, 1431220, 2003708, 2504635, 2862440, 4007416, 5009270, 5724880, 8014832, 10018540, 20037080, 40074160]

約数ペア:

[(1, 40074160), (2, 20037080), (4, 10018540), (5, 8014832), (7, 5724880), (8, 5009270), (10, 4007416), (14, 2862440), (16, 2504635), (20, 2003708), (28, 1431220), (35, 1144976), (40, 1001854), (49, 817840), (56, 715610), (70, 572488), (80, 500927), (98, 408920), (112, 357805), (140, 286244), (196, 204460), (245, 163568), (280, 143122), (392, 102230), (490, 81784), (560, 71561), (784, 51115), (980, 40892), (1960, 20446), (3920, 10223)]