40378880

素因数分解:

$2^9\times 5^1\times {\mathrm{15773}}^1$

素因数の和:15796

約数の個数: 40

約数和(自身を含む): 96820812

約数和(自身を除く): 56441932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15773, 31546, 63092, 78865, 126184, 157730, 252368, 315460, 504736, 630920, 1009472, 1261840, 2018944, 2523680, 4037888, 5047360, 8075776, 10094720, 20189440, 40378880]

約数ペア:

[(1, 40378880), (2, 20189440), (4, 10094720), (5, 8075776), (8, 5047360), (10, 4037888), (16, 2523680), (20, 2018944), (32, 1261840), (40, 1009472), (64, 630920), (80, 504736), (128, 315460), (160, 252368), (256, 157730), (320, 126184), (512, 78865), (640, 63092), (1280, 31546), (2560, 15773)]