12401840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 33346080

約数和(自身を除く): 20944240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 829, 880, 935, 1360, 1496, 1658, 1870, 2992, 3316, 3740, 4145, 6632, 7480, 8290, 9119, 13264, 14093, 14960, 16580, 18238, 28186, 33160, 36476, 45595, 56372, 66320, 70465, 72952, 91190, 112744, 140930, 145904, 155023, 182380, 225488, 281860, 310046, 364760, 563720, 620092, 729520, 775115, 1127440, 1240184, 1550230, 2480368, 3100460, 6200920, 12401840]

約数ペア:

[(1, 12401840), (2, 6200920), (4, 3100460), (5, 2480368), (8, 1550230), (10, 1240184), (11, 1127440), (16, 775115), (17, 729520), (20, 620092), (22, 563720), (34, 364760), (40, 310046), (44, 281860), (55, 225488), (68, 182380), (80, 155023), (85, 145904), (88, 140930), (110, 112744), (136, 91190), (170, 72952), (176, 70465), (187, 66320), (220, 56372), (272, 45595), (340, 36476), (374, 33160), (440, 28186), (680, 18238), (748, 16580), (829, 14960), (880, 14093), (935, 13264), (1360, 9119), (1496, 8290), (1658, 7480), (1870, 6632), (2992, 4145), (3316, 3740)]