31363840

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 76159440

約数和(自身を除く): 44795600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 229, 256, 320, 428, 458, 535, 640, 856, 916, 1070, 1145, 1280, 1712, 1832, 2140, 2290, 3424, 3664, 4280, 4580, 6848, 7328, 8560, 9160, 13696, 14656, 17120, 18320, 24503, 27392, 29312, 34240, 36640, 49006, 58624, 68480, 73280, 98012, 122515, 136960, 146560, 196024, 245030, 293120, 392048, 490060, 784096, 980120, 1568192, 1960240, 3136384, 3920480, 6272768, 7840960, 15681920, 31363840]

約数ペア:

[(1, 31363840), (2, 15681920), (4, 7840960), (5, 6272768), (8, 3920480), (10, 3136384), (16, 1960240), (20, 1568192), (32, 980120), (40, 784096), (64, 490060), (80, 392048), (107, 293120), (128, 245030), (160, 196024), (214, 146560), (229, 136960), (256, 122515), (320, 98012), (428, 73280), (458, 68480), (535, 58624), (640, 49006), (856, 36640), (916, 34240), (1070, 29312), (1145, 27392), (1280, 24503), (1712, 18320), (1832, 17120), (2140, 14656), (2290, 13696), (3424, 9160), (3664, 8560), (4280, 7328), (4580, 6848)]