79783120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16349}}^1$

素因数の和:16423

約数の個数: 40

約数和(自身を含む): 188548200

約数和(自身を除く): 108765080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 16349, 32698, 65396, 81745, 130792, 163490, 261584, 326980, 653960, 997289, 1307920, 1994578, 3989156, 4986445, 7978312, 9972890, 15956624, 19945780, 39891560, 79783120]

約数ペア:

[(1, 79783120), (2, 39891560), (4, 19945780), (5, 15956624), (8, 9972890), (10, 7978312), (16, 4986445), (20, 3989156), (40, 1994578), (61, 1307920), (80, 997289), (122, 653960), (244, 326980), (305, 261584), (488, 163490), (610, 130792), (976, 81745), (1220, 65396), (2440, 32698), (4880, 16349)]