78908440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3529}}^1$

素因数の和:3596

約数の個数: 64

約数和(自身を含む): 195703200

約数和(自身を除く): 116794760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 3529, 4472, 5590, 7058, 11180, 14116, 17645, 22360, 28232, 35290, 45877, 70580, 91754, 141160, 151747, 183508, 229385, 303494, 367016, 458770, 606988, 758735, 917540, 1213976, 1517470, 1835080, 1972711, 3034940, 3945422, 6069880, 7890844, 9863555, 15781688, 19727110, 39454220, 78908440]

約数ペア:

[(1, 78908440), (2, 39454220), (4, 19727110), (5, 15781688), (8, 9863555), (10, 7890844), (13, 6069880), (20, 3945422), (26, 3034940), (40, 1972711), (43, 1835080), (52, 1517470), (65, 1213976), (86, 917540), (104, 758735), (130, 606988), (172, 458770), (215, 367016), (260, 303494), (344, 229385), (430, 183508), (520, 151747), (559, 141160), (860, 91754), (1118, 70580), (1720, 45877), (2236, 35290), (2795, 28232), (3529, 22360), (4472, 17645), (5590, 14116), (7058, 11180)]