131502080

素因数分解:

$2^{12}\times 5^1\times {\mathrm{6421}}^1$

素因数の和:6450

約数の個数: 52

約数和(自身を含む): 315615612

約数和(自身を除く): 184113532

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, 4096, 5120, 6421, 10240, 12842, 20480, 25684, 32105, 51368, 64210, 102736, 128420, 205472, 256840, 410944, 513680, 821888, 1027360, 1643776, 2054720, 3287552, 4109440, 6575104, 8218880, 13150208, 16437760, 26300416, 32875520, 65751040, 131502080]

約数ペア:

[(1, 131502080), (2, 65751040), (4, 32875520), (5, 26300416), (8, 16437760), (10, 13150208), (16, 8218880), (20, 6575104), (32, 4109440), (40, 3287552), (64, 2054720), (80, 1643776), (128, 1027360), (160, 821888), (256, 513680), (320, 410944), (512, 256840), (640, 205472), (1024, 128420), (1280, 102736), (2048, 64210), (2560, 51368), (4096, 32105), (5120, 25684), (6421, 20480), (10240, 12842)]