81001600

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1530

約数の個数: 96

約数和(自身を含む): 212012100

約数和(自身を除く): 131010500

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 640, 680, 800, 850, 1088, 1360, 1489, 1600, 1700, 2176, 2720, 2978, 3200, 3400, 5440, 5956, 6800, 7445, 10880, 11912, 13600, 14890, 23824, 25313, 27200, 29780, 37225, 47648, 50626, 54400, 59560, 74450, 95296, 101252, 119120, 126565, 148900, 190592, 202504, 238240, 253130, 297800, 405008, 476480, 506260, 595600, 632825, 810016, 952960, 1012520, 1191200, 1265650, 1620032, 2025040, 2382400, 2531300, 3240064, 4050080, 4764800, 5062600, 8100160, 10125200, 16200320, 20250400, 40500800, 81001600]

約数ペア:

[(1, 81001600), (2, 40500800), (4, 20250400), (5, 16200320), (8, 10125200), (10, 8100160), (16, 5062600), (17, 4764800), (20, 4050080), (25, 3240064), (32, 2531300), (34, 2382400), (40, 2025040), (50, 1620032), (64, 1265650), (68, 1191200), (80, 1012520), (85, 952960), (100, 810016), (128, 632825), (136, 595600), (160, 506260), (170, 476480), (200, 405008), (272, 297800), (320, 253130), (340, 238240), (400, 202504), (425, 190592), (544, 148900), (640, 126565), (680, 119120), (800, 101252), (850, 95296), (1088, 74450), (1360, 59560), (1489, 54400), (1600, 50626), (1700, 47648), (2176, 37225), (2720, 29780), (2978, 27200), (3200, 25313), (3400, 23824), (5440, 14890), (5956, 13600), (6800, 11912), (7445, 10880)]