80319040

素因数分解:

$2^6\times 5^1\times {\mathrm{499}}^1\times {\mathrm{503}}^1$

素因数の和:1019

約数の個数: 56

約数和(自身を含む): 192024000

約数和(自身を除く): 111704960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499, 503, 998, 1006, 1996, 2012, 2495, 2515, 3992, 4024, 4990, 5030, 7984, 8048, 9980, 10060, 15968, 16096, 19960, 20120, 31936, 32192, 39920, 40240, 79840, 80480, 159680, 160960, 250997, 501994, 1003988, 1254985, 2007976, 2509970, 4015952, 5019940, 8031904, 10039880, 16063808, 20079760, 40159520, 80319040]

約数ペア:

[(1, 80319040), (2, 40159520), (4, 20079760), (5, 16063808), (8, 10039880), (10, 8031904), (16, 5019940), (20, 4015952), (32, 2509970), (40, 2007976), (64, 1254985), (80, 1003988), (160, 501994), (320, 250997), (499, 160960), (503, 159680), (998, 80480), (1006, 79840), (1996, 40240), (2012, 39920), (2495, 32192), (2515, 31936), (3992, 20120), (4024, 19960), (4990, 16096), (5030, 15968), (7984, 10060), (8048, 9980)]