23009920

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 55600200

約数和(自身を除く): 32590280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 229, 314, 320, 458, 628, 640, 785, 916, 1145, 1256, 1570, 1832, 2290, 2512, 3140, 3664, 4580, 5024, 6280, 7328, 9160, 10048, 12560, 14656, 18320, 20096, 25120, 29312, 35953, 36640, 50240, 71906, 73280, 100480, 143812, 146560, 179765, 287624, 359530, 575248, 719060, 1150496, 1438120, 2300992, 2876240, 4601984, 5752480, 11504960, 23009920]

約数ペア:

[(1, 23009920), (2, 11504960), (4, 5752480), (5, 4601984), (8, 2876240), (10, 2300992), (16, 1438120), (20, 1150496), (32, 719060), (40, 575248), (64, 359530), (80, 287624), (128, 179765), (157, 146560), (160, 143812), (229, 100480), (314, 73280), (320, 71906), (458, 50240), (628, 36640), (640, 35953), (785, 29312), (916, 25120), (1145, 20096), (1256, 18320), (1570, 14656), (1832, 12560), (2290, 10048), (2512, 9160), (3140, 7328), (3664, 6280), (4580, 5024)]