40543720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7621}}^1$

素因数の和:7658

約数の個数: 64

約数和(自身を含む): 109756800

約数和(自身を除く): 69213080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 7621, 15242, 30484, 38105, 53347, 60968, 76210, 106694, 144799, 152420, 213388, 266735, 289598, 304840, 426776, 533470, 579196, 723995, 1013593, 1066940, 1158392, 1447990, 2027186, 2133880, 2895980, 4054372, 5067965, 5791960, 8108744, 10135930, 20271860, 40543720]

約数ペア:

[(1, 40543720), (2, 20271860), (4, 10135930), (5, 8108744), (7, 5791960), (8, 5067965), (10, 4054372), (14, 2895980), (19, 2133880), (20, 2027186), (28, 1447990), (35, 1158392), (38, 1066940), (40, 1013593), (56, 723995), (70, 579196), (76, 533470), (95, 426776), (133, 304840), (140, 289598), (152, 266735), (190, 213388), (266, 152420), (280, 144799), (380, 106694), (532, 76210), (665, 60968), (760, 53347), (1064, 38105), (1330, 30484), (2660, 15242), (5320, 7621)]