5421520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 60

約数和(自身を含む): 13683276

約数和(自身を除く): 8261756

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 401, 520, 676, 802, 845, 1040, 1352, 1604, 1690, 2005, 2704, 3208, 3380, 4010, 5213, 6416, 6760, 8020, 10426, 13520, 16040, 20852, 26065, 32080, 41704, 52130, 67769, 83408, 104260, 135538, 208520, 271076, 338845, 417040, 542152, 677690, 1084304, 1355380, 2710760, 5421520]

約数ペア:

[(1, 5421520), (2, 2710760), (4, 1355380), (5, 1084304), (8, 677690), (10, 542152), (13, 417040), (16, 338845), (20, 271076), (26, 208520), (40, 135538), (52, 104260), (65, 83408), (80, 67769), (104, 52130), (130, 41704), (169, 32080), (208, 26065), (260, 20852), (338, 16040), (401, 13520), (520, 10426), (676, 8020), (802, 6760), (845, 6416), (1040, 5213), (1352, 4010), (1604, 3380), (1690, 3208), (2005, 2704)]