40282008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 115153920

約数和(自身を除く): 74871912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 47, 52, 67, 78, 82, 94, 104, 123, 134, 141, 156, 164, 188, 201, 246, 268, 282, 312, 328, 376, 402, 492, 533, 536, 564, 611, 804, 871, 984, 1066, 1128, 1222, 1599, 1608, 1742, 1833, 1927, 2132, 2444, 2613, 2747, 3149, 3198, 3484, 3666, 3854, 4264, 4888, 5226, 5494, 5781, 6298, 6396, 6968, 7332, 7708, 8241, 9447, 10452, 10988, 11562, 12596, 12792, 14664, 15416, 16482, 18894, 20904, 21976, 23124, 25051, 25192, 32964, 35711, 37788, 40937, 46248, 50102, 65928, 71422, 75153, 75576, 81874, 100204, 107133, 122811, 129109, 142844, 150306, 163748, 200408, 214266, 245622, 258218, 285688, 300612, 327496, 387327, 428532, 491244, 516436, 601224, 774654, 857064, 982488, 1032872, 1549308, 1678417, 3098616, 3356834, 5035251, 6713668, 10070502, 13427336, 20141004, 40282008]

約数ペア:

[(1, 40282008), (2, 20141004), (3, 13427336), (4, 10070502), (6, 6713668), (8, 5035251), (12, 3356834), (13, 3098616), (24, 1678417), (26, 1549308), (39, 1032872), (41, 982488), (47, 857064), (52, 774654), (67, 601224), (78, 516436), (82, 491244), (94, 428532), (104, 387327), (123, 327496), (134, 300612), (141, 285688), (156, 258218), (164, 245622), (188, 214266), (201, 200408), (246, 163748), (268, 150306), (282, 142844), (312, 129109), (328, 122811), (376, 107133), (402, 100204), (492, 81874), (533, 75576), (536, 75153), (564, 71422), (611, 65928), (804, 50102), (871, 46248), (984, 40937), (1066, 37788), (1128, 35711), (1222, 32964), (1599, 25192), (1608, 25051), (1742, 23124), (1833, 21976), (1927, 20904), (2132, 18894), (2444, 16482), (2613, 15416), (2747, 14664), (3149, 12792), (3198, 12596), (3484, 11562), (3666, 10988), (3854, 10452), (4264, 9447), (4888, 8241), (5226, 7708), (5494, 7332), (5781, 6968), (6298, 6396)]