12190240

素因数分解:

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

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 29295000

約数和(自身を除く): 17104760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1249, 1952, 2440, 2498, 4880, 4996, 6245, 9760, 9992, 12490, 19984, 24980, 39968, 49960, 76189, 99920, 152378, 199840, 304756, 380945, 609512, 761890, 1219024, 1523780, 2438048, 3047560, 6095120, 12190240]

約数ペア:

[(1, 12190240), (2, 6095120), (4, 3047560), (5, 2438048), (8, 1523780), (10, 1219024), (16, 761890), (20, 609512), (32, 380945), (40, 304756), (61, 199840), (80, 152378), (122, 99920), (160, 76189), (244, 49960), (305, 39968), (488, 24980), (610, 19984), (976, 12490), (1220, 9992), (1249, 9760), (1952, 6245), (2440, 4996), (2498, 4880)]