13486720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1653

約数の個数: 64

約数和(自身を含む): 34743240

約数和(自身を除く): 21256520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1621, 1664, 2080, 3242, 4160, 6484, 8105, 8320, 12968, 16210, 21073, 25936, 32420, 42146, 51872, 64840, 84292, 103744, 105365, 129680, 168584, 207488, 210730, 259360, 337168, 421460, 518720, 674336, 842920, 1037440, 1348672, 1685840, 2697344, 3371680, 6743360, 13486720]

約数ペア:

[(1, 13486720), (2, 6743360), (4, 3371680), (5, 2697344), (8, 1685840), (10, 1348672), (13, 1037440), (16, 842920), (20, 674336), (26, 518720), (32, 421460), (40, 337168), (52, 259360), (64, 210730), (65, 207488), (80, 168584), (104, 129680), (128, 105365), (130, 103744), (160, 84292), (208, 64840), (260, 51872), (320, 42146), (416, 32420), (520, 25936), (640, 21073), (832, 16210), (1040, 12968), (1621, 8320), (1664, 8105), (2080, 6484), (3242, 4160)]