40448408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5051}}^1$

素因数の和:5088

約数の個数: 64

約数和(自身を含む): 101848320

約数和(自身を除く): 61399912

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 5051, 8008, 10102, 20204, 35357, 40408, 55561, 65663, 70714, 111122, 131326, 141428, 222244, 262652, 282856, 388927, 444488, 459641, 525304, 722293, 777854, 919282, 1444586, 1555708, 1838564, 2889172, 3111416, 3677128, 5056051, 5778344, 10112102, 20224204, 40448408]

約数ペア:

[(1, 40448408), (2, 20224204), (4, 10112102), (7, 5778344), (8, 5056051), (11, 3677128), (13, 3111416), (14, 2889172), (22, 1838564), (26, 1555708), (28, 1444586), (44, 919282), (52, 777854), (56, 722293), (77, 525304), (88, 459641), (91, 444488), (104, 388927), (143, 282856), (154, 262652), (182, 222244), (286, 141428), (308, 131326), (364, 111122), (572, 70714), (616, 65663), (728, 55561), (1001, 40408), (1144, 35357), (2002, 20204), (4004, 10102), (5051, 8008)]