2108222720

素因数分解:

$2^8\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2957}}^1$

素因数の和:3535

約数の個数: 72

約数和(自身を含む): 5060629224

約数和(自身を除く): 2952406504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 557, 640, 1114, 1280, 2228, 2785, 2957, 4456, 5570, 5914, 8912, 11140, 11828, 14785, 17824, 22280, 23656, 29570, 35648, 44560, 47312, 59140, 71296, 89120, 94624, 118280, 142592, 178240, 189248, 236560, 356480, 378496, 473120, 712960, 756992, 946240, 1647049, 1892480, 3294098, 3784960, 6588196, 8235245, 13176392, 16470490, 26352784, 32940980, 52705568, 65881960, 105411136, 131763920, 210822272, 263527840, 421644544, 527055680, 1054111360, 2108222720]

約数ペア:

[(1, 2108222720), (2, 1054111360), (4, 527055680), (5, 421644544), (8, 263527840), (10, 210822272), (16, 131763920), (20, 105411136), (32, 65881960), (40, 52705568), (64, 32940980), (80, 26352784), (128, 16470490), (160, 13176392), (256, 8235245), (320, 6588196), (557, 3784960), (640, 3294098), (1114, 1892480), (1280, 1647049), (2228, 946240), (2785, 756992), (2957, 712960), (4456, 473120), (5570, 378496), (5914, 356480), (8912, 236560), (11140, 189248), (11828, 178240), (14785, 142592), (17824, 118280), (22280, 94624), (23656, 89120), (29570, 71296), (35648, 59140), (44560, 47312)]