40000664

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 87165540

約数和(自身を除く): 47164876

約数列:

[1, 2, 4, 8, 11, 22, 31, 43, 44, 62, 86, 88, 121, 124, 172, 242, 248, 341, 344, 473, 484, 682, 946, 961, 968, 1333, 1364, 1892, 1922, 2666, 2728, 3751, 3784, 3844, 5203, 5332, 7502, 7688, 10406, 10571, 10664, 14663, 15004, 20812, 21142, 29326, 30008, 41323, 41624, 42284, 58652, 82646, 84568, 116281, 117304, 161293, 165292, 232562, 322586, 330584, 454553, 465124, 645172, 909106, 930248, 1290344, 1818212, 3636424, 5000083, 10000166, 20000332, 40000664]

約数ペア:

[(1, 40000664), (2, 20000332), (4, 10000166), (8, 5000083), (11, 3636424), (22, 1818212), (31, 1290344), (43, 930248), (44, 909106), (62, 645172), (86, 465124), (88, 454553), (121, 330584), (124, 322586), (172, 232562), (242, 165292), (248, 161293), (341, 117304), (344, 116281), (473, 84568), (484, 82646), (682, 58652), (946, 42284), (961, 41624), (968, 41323), (1333, 30008), (1364, 29326), (1892, 21142), (1922, 20812), (2666, 15004), (2728, 14663), (3751, 10664), (3784, 10571), (3844, 10406), (5203, 7688), (5332, 7502)]