7005440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 18113928

約数和(自身を除く): 11108488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 421, 520, 640, 832, 842, 1040, 1280, 1664, 1684, 2080, 2105, 3328, 3368, 4160, 4210, 5473, 6736, 8320, 8420, 10946, 13472, 16640, 16840, 21892, 26944, 27365, 33680, 43784, 53888, 54730, 67360, 87568, 107776, 109460, 134720, 175136, 218920, 269440, 350272, 437840, 538880, 700544, 875680, 1401088, 1751360, 3502720, 7005440]

約数ペア:

[(1, 7005440), (2, 3502720), (4, 1751360), (5, 1401088), (8, 875680), (10, 700544), (13, 538880), (16, 437840), (20, 350272), (26, 269440), (32, 218920), (40, 175136), (52, 134720), (64, 109460), (65, 107776), (80, 87568), (104, 67360), (128, 54730), (130, 53888), (160, 43784), (208, 33680), (256, 27365), (260, 26944), (320, 21892), (416, 16840), (421, 16640), (520, 13472), (640, 10946), (832, 8420), (842, 8320), (1040, 6736), (1280, 5473), (1664, 4210), (1684, 4160), (2080, 3368), (2105, 3328)]