16474880

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 40299504

約数和(自身を除く): 23824624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 211, 244, 256, 305, 320, 422, 488, 610, 640, 844, 976, 1055, 1220, 1280, 1688, 1952, 2110, 2440, 3376, 3904, 4220, 4880, 6752, 7808, 8440, 9760, 12871, 13504, 15616, 16880, 19520, 25742, 27008, 33760, 39040, 51484, 54016, 64355, 67520, 78080, 102968, 128710, 135040, 205936, 257420, 270080, 411872, 514840, 823744, 1029680, 1647488, 2059360, 3294976, 4118720, 8237440, 16474880]

約数ペア:

[(1, 16474880), (2, 8237440), (4, 4118720), (5, 3294976), (8, 2059360), (10, 1647488), (16, 1029680), (20, 823744), (32, 514840), (40, 411872), (61, 270080), (64, 257420), (80, 205936), (122, 135040), (128, 128710), (160, 102968), (211, 78080), (244, 67520), (256, 64355), (305, 54016), (320, 51484), (422, 39040), (488, 33760), (610, 27008), (640, 25742), (844, 19520), (976, 16880), (1055, 15616), (1220, 13504), (1280, 12871), (1688, 9760), (1952, 8440), (2110, 7808), (2440, 6752), (3376, 4880), (3904, 4220)]