83721280

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4289}}^1$

素因数の和:4367

約数の個数: 56

約数和(自身を含む): 202676760

約数和(自身を除く): 118955480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4289, 4880, 8578, 9760, 17156, 19520, 21445, 34312, 42890, 68624, 85780, 137248, 171560, 261629, 274496, 343120, 523258, 686240, 1046516, 1308145, 1372480, 2093032, 2616290, 4186064, 5232580, 8372128, 10465160, 16744256, 20930320, 41860640, 83721280]

約数ペア:

[(1, 83721280), (2, 41860640), (4, 20930320), (5, 16744256), (8, 10465160), (10, 8372128), (16, 5232580), (20, 4186064), (32, 2616290), (40, 2093032), (61, 1372480), (64, 1308145), (80, 1046516), (122, 686240), (160, 523258), (244, 343120), (305, 274496), (320, 261629), (488, 171560), (610, 137248), (976, 85780), (1220, 68624), (1952, 42890), (2440, 34312), (3904, 21445), (4289, 19520), (4880, 17156), (8578, 9760)]