65751040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6421}}^1$

素因数の和:6448

約数の個数: 48

約数和(自身を含む): 157788540

約数和(自身を除く): 92037500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6421, 10240, 12842, 25684, 32105, 51368, 64210, 102736, 128420, 205472, 256840, 410944, 513680, 821888, 1027360, 1643776, 2054720, 3287552, 4109440, 6575104, 8218880, 13150208, 16437760, 32875520, 65751040]

約数ペア:

[(1, 65751040), (2, 32875520), (4, 16437760), (5, 13150208), (8, 8218880), (10, 6575104), (16, 4109440), (20, 3287552), (32, 2054720), (40, 1643776), (64, 1027360), (80, 821888), (128, 513680), (160, 410944), (256, 256840), (320, 205472), (512, 128420), (640, 102736), (1024, 64210), (1280, 51368), (2048, 32105), (2560, 25684), (5120, 12842), (6421, 10240)]