27120080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 68901840

約数和(自身を除く): 41781760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 293, 356, 445, 520, 586, 712, 890, 1040, 1157, 1172, 1424, 1465, 1780, 2314, 2344, 2930, 3560, 3809, 4628, 4688, 5785, 5860, 7120, 7618, 9256, 11570, 11720, 15236, 18512, 19045, 23140, 23440, 26077, 30472, 38090, 46280, 52154, 60944, 76180, 92560, 104308, 130385, 152360, 208616, 260770, 304720, 339001, 417232, 521540, 678002, 1043080, 1356004, 1695005, 2086160, 2712008, 3390010, 5424016, 6780020, 13560040, 27120080]

約数ペア:

[(1, 27120080), (2, 13560040), (4, 6780020), (5, 5424016), (8, 3390010), (10, 2712008), (13, 2086160), (16, 1695005), (20, 1356004), (26, 1043080), (40, 678002), (52, 521540), (65, 417232), (80, 339001), (89, 304720), (104, 260770), (130, 208616), (178, 152360), (208, 130385), (260, 104308), (293, 92560), (356, 76180), (445, 60944), (520, 52154), (586, 46280), (712, 38090), (890, 30472), (1040, 26077), (1157, 23440), (1172, 23140), (1424, 19045), (1465, 18512), (1780, 15236), (2314, 11720), (2344, 11570), (2930, 9256), (3560, 7618), (3809, 7120), (4628, 5860), (4688, 5785)]