156917680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22039}}^1$

素因数の和:22141

約数の個数: 40

約数和(自身を含む): 368949600

約数和(自身を除く): 212031920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 22039, 44078, 88156, 110195, 176312, 220390, 352624, 440780, 881560, 1763120, 1961471, 3922942, 7845884, 9807355, 15691768, 19614710, 31383536, 39229420, 78458840, 156917680]

約数ペア:

[(1, 156917680), (2, 78458840), (4, 39229420), (5, 31383536), (8, 19614710), (10, 15691768), (16, 9807355), (20, 7845884), (40, 3922942), (80, 1961471), (89, 1763120), (178, 881560), (356, 440780), (445, 352624), (712, 220390), (890, 176312), (1424, 110195), (1780, 88156), (3560, 44078), (7120, 22039)]