72406240

素因数分解:

$2^5\times 5^1\times {\mathrm{452539}}^1$

素因数の和:452554

約数の個数: 24

約数和(自身を含む): 171060120

約数和(自身を除く): 98653880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 452539, 905078, 1810156, 2262695, 3620312, 4525390, 7240624, 9050780, 14481248, 18101560, 36203120, 72406240]

約数ペア:

[(1, 72406240), (2, 36203120), (4, 18101560), (5, 14481248), (8, 9050780), (10, 7240624), (16, 4525390), (20, 3620312), (32, 2262695), (40, 1810156), (80, 905078), (160, 452539)]