138454160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2080

約数の個数: 80

約数和(自身を含む): 352019136

約数和(自身を除く): 213564976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 1987, 2680, 3484, 3974, 4355, 5360, 6968, 7948, 8710, 9935, 13936, 15896, 17420, 19870, 25831, 31792, 34840, 39740, 51662, 69680, 79480, 103324, 129155, 133129, 158960, 206648, 258310, 266258, 413296, 516620, 532516, 665645, 1033240, 1065032, 1331290, 1730677, 2066480, 2130064, 2662580, 3461354, 5325160, 6922708, 8653385, 10650320, 13845416, 17306770, 27690832, 34613540, 69227080, 138454160]

約数ペア:

[(1, 138454160), (2, 69227080), (4, 34613540), (5, 27690832), (8, 17306770), (10, 13845416), (13, 10650320), (16, 8653385), (20, 6922708), (26, 5325160), (40, 3461354), (52, 2662580), (65, 2130064), (67, 2066480), (80, 1730677), (104, 1331290), (130, 1065032), (134, 1033240), (208, 665645), (260, 532516), (268, 516620), (335, 413296), (520, 266258), (536, 258310), (670, 206648), (871, 158960), (1040, 133129), (1072, 129155), (1340, 103324), (1742, 79480), (1987, 69680), (2680, 51662), (3484, 39740), (3974, 34840), (4355, 31792), (5360, 25831), (6968, 19870), (7948, 17420), (8710, 15896), (9935, 13936)]