71398400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{2789}}^1$

素因数の和:2819

約数の個数: 66

約数和(自身を含む): 177045030

約数和(自身を除く): 105646630

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 2789, 3200, 5120, 5578, 6400, 11156, 12800, 13945, 22312, 25600, 27890, 44624, 55780, 69725, 89248, 111560, 139450, 178496, 223120, 278900, 356992, 446240, 557800, 713984, 892480, 1115600, 1427968, 1784960, 2231200, 2855936, 3569920, 4462400, 7139840, 8924800, 14279680, 17849600, 35699200, 71398400]

約数ペア:

[(1, 71398400), (2, 35699200), (4, 17849600), (5, 14279680), (8, 8924800), (10, 7139840), (16, 4462400), (20, 3569920), (25, 2855936), (32, 2231200), (40, 1784960), (50, 1427968), (64, 1115600), (80, 892480), (100, 713984), (128, 557800), (160, 446240), (200, 356992), (256, 278900), (320, 223120), (400, 178496), (512, 139450), (640, 111560), (800, 89248), (1024, 69725), (1280, 55780), (1600, 44624), (2560, 27890), (2789, 25600), (3200, 22312), (5120, 13945), (5578, 12800), (6400, 11156)]