1245367040

素因数分解:

$2^8\times 5^1\times {\mathrm{972943}}^1$

素因数の和:972964

約数の個数: 36

約数和(自身を含む): 2983046304

約数和(自身を除く): 1737679264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 972943, 1945886, 3891772, 4864715, 7783544, 9729430, 15567088, 19458860, 31134176, 38917720, 62268352, 77835440, 124536704, 155670880, 249073408, 311341760, 622683520, 1245367040]

約数ペア:

[(1, 1245367040), (2, 622683520), (4, 311341760), (5, 249073408), (8, 155670880), (10, 124536704), (16, 77835440), (20, 62268352), (32, 38917720), (40, 31134176), (64, 19458860), (80, 15567088), (128, 9729430), (160, 7783544), (256, 4864715), (320, 3891772), (640, 1945886), (1280, 972943)]