88780480

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1097

約数の個数: 56

約数和(自身を含む): 212232240

約数和(自身を除く): 123451760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 659, 842, 1318, 1684, 2105, 2636, 3295, 3368, 4210, 5272, 6590, 6736, 8420, 10544, 13180, 13472, 16840, 21088, 26360, 26944, 33680, 42176, 52720, 67360, 105440, 134720, 210880, 277439, 554878, 1109756, 1387195, 2219512, 2774390, 4439024, 5548780, 8878048, 11097560, 17756096, 22195120, 44390240, 88780480]

約数ペア:

[(1, 88780480), (2, 44390240), (4, 22195120), (5, 17756096), (8, 11097560), (10, 8878048), (16, 5548780), (20, 4439024), (32, 2774390), (40, 2219512), (64, 1387195), (80, 1109756), (160, 554878), (320, 277439), (421, 210880), (659, 134720), (842, 105440), (1318, 67360), (1684, 52720), (2105, 42176), (2636, 33680), (3295, 26944), (3368, 26360), (4210, 21088), (5272, 16840), (6590, 13472), (6736, 13180), (8420, 10544)]