20180725075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1601}}^1$

素因数の和:1877

約数の個数: 96

約数和(自身を含む): 32037949440

約数和(自身を除く): 11857224365

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 223, 323, 425, 475, 595, 665, 1115, 1561, 1601, 1615, 2261, 2975, 3325, 3791, 4237, 5575, 7805, 8005, 8075, 11207, 11305, 18955, 21185, 26537, 27217, 29659, 30419, 39025, 40025, 56035, 56525, 72029, 94775, 105925, 132685, 136085, 148295, 152095, 190519, 212933, 280175, 357023, 360145, 504203, 517123, 663425, 680425, 741475, 760475, 952595, 1064665, 1785115, 1800725, 2499161, 2521015, 2585615, 3619861, 4762975, 5323325, 6069391, 6783437, 8925575, 12495805, 12605075, 12928075, 18099305, 30346955, 33917185, 42485737, 47484059, 62479025, 90496525, 115318429, 151734775, 169585925, 212428685, 237420295, 576592145, 807229003, 1062143425, 1187101475, 2882960725, 4036145015, 20180725075]

約数ペア:

[(1, 20180725075), (5, 4036145015), (7, 2882960725), (17, 1187101475), (19, 1062143425), (25, 807229003), (35, 576592145), (85, 237420295), (95, 212428685), (119, 169585925), (133, 151734775), (175, 115318429), (223, 90496525), (323, 62479025), (425, 47484059), (475, 42485737), (595, 33917185), (665, 30346955), (1115, 18099305), (1561, 12928075), (1601, 12605075), (1615, 12495805), (2261, 8925575), (2975, 6783437), (3325, 6069391), (3791, 5323325), (4237, 4762975), (5575, 3619861), (7805, 2585615), (8005, 2521015), (8075, 2499161), (11207, 1800725), (11305, 1785115), (18955, 1064665), (21185, 952595), (26537, 760475), (27217, 741475), (29659, 680425), (30419, 663425), (39025, 517123), (40025, 504203), (56035, 360145), (56525, 357023), (72029, 280175), (94775, 212933), (105925, 190519), (132685, 152095), (136085, 148295)]