31880480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10487}}^1$

素因数の和:10521

約数の個数: 48

約数和(自身を含む): 79289280

約数和(自身を除く): 47408800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 10487, 20974, 41948, 52435, 83896, 104870, 167792, 199253, 209740, 335584, 398506, 419480, 797012, 838960, 996265, 1594024, 1677920, 1992530, 3188048, 3985060, 6376096, 7970120, 15940240, 31880480]

約数ペア:

[(1, 31880480), (2, 15940240), (4, 7970120), (5, 6376096), (8, 3985060), (10, 3188048), (16, 1992530), (19, 1677920), (20, 1594024), (32, 996265), (38, 838960), (40, 797012), (76, 419480), (80, 398506), (95, 335584), (152, 209740), (160, 199253), (190, 167792), (304, 104870), (380, 83896), (608, 52435), (760, 41948), (1520, 20974), (3040, 10487)]