1036960000

素因数分解:

$2^8\times 5^4\times {\mathrm{6481}}^1$

素因数の和:6517

約数の個数: 90

約数和(自身を含む): 2586907862

約数和(自身を除く): 1549947862

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1250, 1280, 1600, 2000, 2500, 3200, 4000, 5000, 6400, 6481, 8000, 10000, 12962, 16000, 20000, 25924, 32000, 32405, 40000, 51848, 64810, 80000, 103696, 129620, 160000, 162025, 207392, 259240, 324050, 414784, 518480, 648100, 810125, 829568, 1036960, 1296200, 1620250, 1659136, 2073920, 2592400, 3240500, 4050625, 4147840, 5184800, 6481000, 8101250, 8295680, 10369600, 12962000, 16202500, 20739200, 25924000, 32405000, 41478400, 51848000, 64810000, 103696000, 129620000, 207392000, 259240000, 518480000, 1036960000]

約数ペア:

[(1, 1036960000), (2, 518480000), (4, 259240000), (5, 207392000), (8, 129620000), (10, 103696000), (16, 64810000), (20, 51848000), (25, 41478400), (32, 32405000), (40, 25924000), (50, 20739200), (64, 16202500), (80, 12962000), (100, 10369600), (125, 8295680), (128, 8101250), (160, 6481000), (200, 5184800), (250, 4147840), (256, 4050625), (320, 3240500), (400, 2592400), (500, 2073920), (625, 1659136), (640, 1620250), (800, 1296200), (1000, 1036960), (1250, 829568), (1280, 810125), (1600, 648100), (2000, 518480), (2500, 414784), (3200, 324050), (4000, 259240), (5000, 207392), (6400, 162025), (6481, 160000), (8000, 129620), (10000, 103696), (12962, 80000), (16000, 64810), (20000, 51848), (25924, 40000), (32000, 32405)]