97521920

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 237615000

約数和(自身を除く): 140093080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1249, 1280, 1952, 2440, 2498, 3904, 4880, 4996, 6245, 7808, 9760, 9992, 12490, 15616, 19520, 19984, 24980, 39040, 39968, 49960, 76189, 78080, 79936, 99920, 152378, 159872, 199840, 304756, 319744, 380945, 399680, 609512, 761890, 799360, 1219024, 1523780, 1598720, 2438048, 3047560, 4876096, 6095120, 9752192, 12190240, 19504384, 24380480, 48760960, 97521920]

約数ペア:

[(1, 97521920), (2, 48760960), (4, 24380480), (5, 19504384), (8, 12190240), (10, 9752192), (16, 6095120), (20, 4876096), (32, 3047560), (40, 2438048), (61, 1598720), (64, 1523780), (80, 1219024), (122, 799360), (128, 761890), (160, 609512), (244, 399680), (256, 380945), (305, 319744), (320, 304756), (488, 199840), (610, 159872), (640, 152378), (976, 99920), (1220, 79936), (1249, 78080), (1280, 76189), (1952, 49960), (2440, 39968), (2498, 39040), (3904, 24980), (4880, 19984), (4996, 19520), (6245, 15616), (7808, 12490), (9760, 9992)]