11381557760

素因数分解:

$2^9\times 5^1\times {\mathrm{4445921}}^1$

素因数の和:4445944

約数の個数: 40

約数和(自身を含む): 27289069236

約数和(自身を除く): 15907511476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4445921, 8891842, 17783684, 22229605, 35567368, 44459210, 71134736, 88918420, 142269472, 177836840, 284538944, 355673680, 569077888, 711347360, 1138155776, 1422694720, 2276311552, 2845389440, 5690778880, 11381557760]

約数ペア:

[(1, 11381557760), (2, 5690778880), (4, 2845389440), (5, 2276311552), (8, 1422694720), (10, 1138155776), (16, 711347360), (20, 569077888), (32, 355673680), (40, 284538944), (64, 177836840), (80, 142269472), (128, 88918420), (160, 71134736), (256, 44459210), (320, 35567368), (512, 22229605), (640, 17783684), (1280, 8891842), (2560, 4445921)]