13386880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 34486200

約数和(自身を除く): 21099320

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, 1609, 1664, 2080, 3218, 4160, 6436, 8045, 8320, 12872, 16090, 20917, 25744, 32180, 41834, 51488, 64360, 83668, 102976, 104585, 128720, 167336, 205952, 209170, 257440, 334672, 418340, 514880, 669344, 836680, 1029760, 1338688, 1673360, 2677376, 3346720, 6693440, 13386880]

約数ペア:

[(1, 13386880), (2, 6693440), (4, 3346720), (5, 2677376), (8, 1673360), (10, 1338688), (13, 1029760), (16, 836680), (20, 669344), (26, 514880), (32, 418340), (40, 334672), (52, 257440), (64, 209170), (65, 205952), (80, 167336), (104, 128720), (128, 104585), (130, 102976), (160, 83668), (208, 64360), (260, 51488), (320, 41834), (416, 32180), (520, 25744), (640, 20917), (832, 16090), (1040, 12872), (1609, 8320), (1664, 8045), (2080, 6436), (3218, 4160)]