28442240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2377

約数の個数: 64

約数和(自身を含む): 71604000

約数和(自身を除く): 43161760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2339, 2432, 3040, 4678, 6080, 9356, 11695, 12160, 18712, 23390, 37424, 44441, 46780, 74848, 88882, 93560, 149696, 177764, 187120, 222205, 299392, 355528, 374240, 444410, 711056, 748480, 888820, 1422112, 1496960, 1777640, 2844224, 3555280, 5688448, 7110560, 14221120, 28442240]

約数ペア:

[(1, 28442240), (2, 14221120), (4, 7110560), (5, 5688448), (8, 3555280), (10, 2844224), (16, 1777640), (19, 1496960), (20, 1422112), (32, 888820), (38, 748480), (40, 711056), (64, 444410), (76, 374240), (80, 355528), (95, 299392), (128, 222205), (152, 187120), (160, 177764), (190, 149696), (304, 93560), (320, 88882), (380, 74848), (608, 46780), (640, 44441), (760, 37424), (1216, 23390), (1520, 18712), (2339, 12160), (2432, 11695), (3040, 9356), (4678, 6080)]