42005248

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 88954880

約数和(自身を除く): 46949632

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 67, 79, 124, 128, 134, 158, 248, 256, 268, 316, 496, 536, 632, 992, 1072, 1264, 1984, 2077, 2144, 2449, 2528, 3968, 4154, 4288, 4898, 5056, 5293, 7936, 8308, 8576, 9796, 10112, 10586, 16616, 17152, 19592, 20224, 21172, 33232, 39184, 42344, 66464, 78368, 84688, 132928, 156736, 164083, 169376, 265856, 313472, 328166, 338752, 531712, 626944, 656332, 677504, 1312664, 1355008, 2625328, 5250656, 10501312, 21002624, 42005248]

約数ペア:

[(1, 42005248), (2, 21002624), (4, 10501312), (8, 5250656), (16, 2625328), (31, 1355008), (32, 1312664), (62, 677504), (64, 656332), (67, 626944), (79, 531712), (124, 338752), (128, 328166), (134, 313472), (158, 265856), (248, 169376), (256, 164083), (268, 156736), (316, 132928), (496, 84688), (536, 78368), (632, 66464), (992, 42344), (1072, 39184), (1264, 33232), (1984, 21172), (2077, 20224), (2144, 19592), (2449, 17152), (2528, 16616), (3968, 10586), (4154, 10112), (4288, 9796), (4898, 8576), (5056, 8308), (5293, 7936)]