80406784

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 172350080

約数和(自身を除く): 91943296

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 128, 152, 244, 256, 271, 304, 488, 542, 608, 976, 1084, 1159, 1216, 1952, 2168, 2318, 2432, 3904, 4336, 4636, 4864, 5149, 7808, 8672, 9272, 10298, 15616, 16531, 17344, 18544, 20596, 33062, 34688, 37088, 41192, 66124, 69376, 74176, 82384, 132248, 148352, 164768, 264496, 296704, 314089, 329536, 528992, 628178, 659072, 1057984, 1256356, 1318144, 2115968, 2512712, 4231936, 5025424, 10050848, 20101696, 40203392, 80406784]

約数ペア:

[(1, 80406784), (2, 40203392), (4, 20101696), (8, 10050848), (16, 5025424), (19, 4231936), (32, 2512712), (38, 2115968), (61, 1318144), (64, 1256356), (76, 1057984), (122, 659072), (128, 628178), (152, 528992), (244, 329536), (256, 314089), (271, 296704), (304, 264496), (488, 164768), (542, 148352), (608, 132248), (976, 82384), (1084, 74176), (1159, 69376), (1216, 66124), (1952, 41192), (2168, 37088), (2318, 34688), (2432, 33062), (3904, 20596), (4336, 18544), (4636, 17344), (4864, 16531), (5149, 15616), (7808, 10298), (8672, 9272)]