29825680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 72316800

約数和(自身を除く): 42491120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 71, 80, 89, 118, 142, 178, 236, 284, 295, 355, 356, 445, 472, 568, 590, 710, 712, 890, 944, 1136, 1180, 1420, 1424, 1780, 2360, 2840, 3560, 4189, 4720, 5251, 5680, 6319, 7120, 8378, 10502, 12638, 16756, 20945, 21004, 25276, 26255, 31595, 33512, 41890, 42008, 50552, 52510, 63190, 67024, 83780, 84016, 101104, 105020, 126380, 167560, 210040, 252760, 335120, 372821, 420080, 505520, 745642, 1491284, 1864105, 2982568, 3728210, 5965136, 7456420, 14912840, 29825680]

約数ペア:

[(1, 29825680), (2, 14912840), (4, 7456420), (5, 5965136), (8, 3728210), (10, 2982568), (16, 1864105), (20, 1491284), (40, 745642), (59, 505520), (71, 420080), (80, 372821), (89, 335120), (118, 252760), (142, 210040), (178, 167560), (236, 126380), (284, 105020), (295, 101104), (355, 84016), (356, 83780), (445, 67024), (472, 63190), (568, 52510), (590, 50552), (710, 42008), (712, 41890), (890, 33512), (944, 31595), (1136, 26255), (1180, 25276), (1420, 21004), (1424, 20945), (1780, 16756), (2360, 12638), (2840, 10502), (3560, 8378), (4189, 7120), (4720, 6319), (5251, 5680)]