72236800

素因数分解:

$2^8\times 5^2\times {\mathrm{11287}}^1$

素因数の和:11313

約数の個数: 54

約数和(自身を含む): 178813208

約数和(自身を除く): 106576408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 11287, 22574, 45148, 56435, 90296, 112870, 180592, 225740, 282175, 361184, 451480, 564350, 722368, 902960, 1128700, 1444736, 1805920, 2257400, 2889472, 3611840, 4514800, 7223680, 9029600, 14447360, 18059200, 36118400, 72236800]

約数ペア:

[(1, 72236800), (2, 36118400), (4, 18059200), (5, 14447360), (8, 9029600), (10, 7223680), (16, 4514800), (20, 3611840), (25, 2889472), (32, 2257400), (40, 1805920), (50, 1444736), (64, 1128700), (80, 902960), (100, 722368), (128, 564350), (160, 451480), (200, 361184), (256, 282175), (320, 225740), (400, 180592), (640, 112870), (800, 90296), (1280, 56435), (1600, 45148), (3200, 22574), (6400, 11287)]