40580480

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 97858800

約数和(自身を除く): 57278320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 389, 640, 652, 778, 815, 1304, 1556, 1630, 1945, 2608, 3112, 3260, 3890, 5216, 6224, 6520, 7780, 10432, 12448, 13040, 15560, 20864, 24896, 26080, 31120, 49792, 52160, 62240, 63407, 104320, 124480, 126814, 248960, 253628, 317035, 507256, 634070, 1014512, 1268140, 2029024, 2536280, 4058048, 5072560, 8116096, 10145120, 20290240, 40580480]

約数ペア:

[(1, 40580480), (2, 20290240), (4, 10145120), (5, 8116096), (8, 5072560), (10, 4058048), (16, 2536280), (20, 2029024), (32, 1268140), (40, 1014512), (64, 634070), (80, 507256), (128, 317035), (160, 253628), (163, 248960), (320, 126814), (326, 124480), (389, 104320), (640, 63407), (652, 62240), (778, 52160), (815, 49792), (1304, 31120), (1556, 26080), (1630, 24896), (1945, 20864), (2608, 15560), (3112, 13040), (3260, 12448), (3890, 10432), (5216, 7780), (6224, 6520)]