40640256

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 108

約数和(自身を含む): 121168320

約数和(自身を除く): 80528064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 569, 576, 744, 768, 992, 1116, 1138, 1152, 1488, 1707, 1984, 2232, 2276, 2304, 2976, 3414, 3968, 4464, 4552, 5121, 5952, 6828, 7936, 8928, 9104, 10242, 11904, 13656, 17639, 17856, 18208, 20484, 23808, 27312, 35278, 35712, 36416, 40968, 52917, 54624, 70556, 71424, 72832, 81936, 105834, 109248, 141112, 145664, 158751, 163872, 211668, 218496, 282224, 317502, 327744, 423336, 436992, 564448, 635004, 655488, 846672, 1128896, 1270008, 1310976, 1693344, 2257792, 2540016, 3386688, 4515584, 5080032, 6773376, 10160064, 13546752, 20320128, 40640256]

約数ペア:

[(1, 40640256), (2, 20320128), (3, 13546752), (4, 10160064), (6, 6773376), (8, 5080032), (9, 4515584), (12, 3386688), (16, 2540016), (18, 2257792), (24, 1693344), (31, 1310976), (32, 1270008), (36, 1128896), (48, 846672), (62, 655488), (64, 635004), (72, 564448), (93, 436992), (96, 423336), (124, 327744), (128, 317502), (144, 282224), (186, 218496), (192, 211668), (248, 163872), (256, 158751), (279, 145664), (288, 141112), (372, 109248), (384, 105834), (496, 81936), (558, 72832), (569, 71424), (576, 70556), (744, 54624), (768, 52917), (992, 40968), (1116, 36416), (1138, 35712), (1152, 35278), (1488, 27312), (1707, 23808), (1984, 20484), (2232, 18208), (2276, 17856), (2304, 17639), (2976, 13656), (3414, 11904), (3968, 10242), (4464, 9104), (4552, 8928), (5121, 7936), (5952, 6828)]