129572560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4076

約数の個数: 80

約数和(自身を含む): 334978560

約数和(自身を除く): 205406000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4019, 4030, 6448, 8038, 8060, 16076, 16120, 20095, 32152, 32240, 40190, 52247, 64304, 80380, 104494, 124589, 160760, 208988, 249178, 261235, 321520, 417976, 498356, 522470, 622945, 835952, 996712, 1044940, 1245890, 1619657, 1993424, 2089880, 2491780, 3239314, 4179760, 4983560, 6478628, 8098285, 9967120, 12957256, 16196570, 25914512, 32393140, 64786280, 129572560]

約数ペア:

[(1, 129572560), (2, 64786280), (4, 32393140), (5, 25914512), (8, 16196570), (10, 12957256), (13, 9967120), (16, 8098285), (20, 6478628), (26, 4983560), (31, 4179760), (40, 3239314), (52, 2491780), (62, 2089880), (65, 1993424), (80, 1619657), (104, 1245890), (124, 1044940), (130, 996712), (155, 835952), (208, 622945), (248, 522470), (260, 498356), (310, 417976), (403, 321520), (496, 261235), (520, 249178), (620, 208988), (806, 160760), (1040, 124589), (1240, 104494), (1612, 80380), (2015, 64304), (2480, 52247), (3224, 40190), (4019, 32240), (4030, 32152), (6448, 20095), (8038, 16120), (8060, 16076)]