8078778880

素因数分解:

$2^9\times 5^1\times {\mathrm{3155773}}^1$

素因数の和:3155796

約数の個数: 40

約数和(自身を含む): 19370140812

約数和(自身を除く): 11291361932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3155773, 6311546, 12623092, 15778865, 25246184, 31557730, 50492368, 63115460, 100984736, 126230920, 201969472, 252461840, 403938944, 504923680, 807877888, 1009847360, 1615755776, 2019694720, 4039389440, 8078778880]

約数ペア:

[(1, 8078778880), (2, 4039389440), (4, 2019694720), (5, 1615755776), (8, 1009847360), (10, 807877888), (16, 504923680), (20, 403938944), (32, 252461840), (40, 201969472), (64, 126230920), (80, 100984736), (128, 63115460), (160, 50492368), (256, 31557730), (320, 25246184), (512, 15778865), (640, 12623092), (1280, 6311546), (2560, 3155773)]