126813440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7621}}^1$

素因数の和:7655

約数の個数: 72

約数和(自身を含む): 327166728

約数和(自身を除く): 200353288

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, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 7621, 8320, 15242, 16640, 30484, 38105, 60968, 76210, 99073, 121936, 152420, 198146, 243872, 304840, 396292, 487744, 495365, 609680, 792584, 975488, 990730, 1219360, 1585168, 1950976, 1981460, 2438720, 3170336, 3962920, 4877440, 6340672, 7925840, 9754880, 12681344, 15851680, 25362688, 31703360, 63406720, 126813440]

約数ペア:

[(1, 126813440), (2, 63406720), (4, 31703360), (5, 25362688), (8, 15851680), (10, 12681344), (13, 9754880), (16, 7925840), (20, 6340672), (26, 4877440), (32, 3962920), (40, 3170336), (52, 2438720), (64, 1981460), (65, 1950976), (80, 1585168), (104, 1219360), (128, 990730), (130, 975488), (160, 792584), (208, 609680), (256, 495365), (260, 487744), (320, 396292), (416, 304840), (520, 243872), (640, 198146), (832, 152420), (1040, 121936), (1280, 99073), (1664, 76210), (2080, 60968), (3328, 38105), (4160, 30484), (7621, 16640), (8320, 15242)]