8430760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 21127680

約数和(自身を除く): 12696920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 523, 620, 806, 1046, 1240, 1612, 2015, 2092, 2615, 3224, 4030, 4184, 5230, 6799, 8060, 10460, 13598, 16120, 16213, 20920, 27196, 32426, 33995, 54392, 64852, 67990, 81065, 129704, 135980, 162130, 210769, 271960, 324260, 421538, 648520, 843076, 1053845, 1686152, 2107690, 4215380, 8430760]

約数ペア:

[(1, 8430760), (2, 4215380), (4, 2107690), (5, 1686152), (8, 1053845), (10, 843076), (13, 648520), (20, 421538), (26, 324260), (31, 271960), (40, 210769), (52, 162130), (62, 135980), (65, 129704), (104, 81065), (124, 67990), (130, 64852), (155, 54392), (248, 33995), (260, 32426), (310, 27196), (403, 20920), (520, 16213), (523, 16120), (620, 13598), (806, 10460), (1046, 8060), (1240, 6799), (1612, 5230), (2015, 4184), (2092, 4030), (2615, 3224)]