4311040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{421}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 10368540

約数和(自身を除く): 6057500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 421, 512, 640, 842, 1024, 1280, 1684, 2048, 2105, 2560, 3368, 4210, 5120, 6736, 8420, 10240, 13472, 16840, 26944, 33680, 53888, 67360, 107776, 134720, 215552, 269440, 431104, 538880, 862208, 1077760, 2155520, 4311040]

約数ペア:

[(1, 4311040), (2, 2155520), (4, 1077760), (5, 862208), (8, 538880), (10, 431104), (16, 269440), (20, 215552), (32, 134720), (40, 107776), (64, 67360), (80, 53888), (128, 33680), (160, 26944), (256, 16840), (320, 13472), (421, 10240), (512, 8420), (640, 6736), (842, 5120), (1024, 4210), (1280, 3368), (1684, 2560), (2048, 2105)]