213016960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25603}}^1$

素因数の和:25635

約数の個数: 64

約数和(自身を含む): 548437680

約数和(自身を除く): 335420720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 25603, 51206, 102412, 128015, 204824, 256030, 332839, 409648, 512060, 665678, 819296, 1024120, 1331356, 1638592, 1664195, 2048240, 2662712, 3277184, 3328390, 4096480, 5325424, 6656780, 8192960, 10650848, 13313560, 16385920, 21301696, 26627120, 42603392, 53254240, 106508480, 213016960]

約数ペア:

[(1, 213016960), (2, 106508480), (4, 53254240), (5, 42603392), (8, 26627120), (10, 21301696), (13, 16385920), (16, 13313560), (20, 10650848), (26, 8192960), (32, 6656780), (40, 5325424), (52, 4096480), (64, 3328390), (65, 3277184), (80, 2662712), (104, 2048240), (128, 1664195), (130, 1638592), (160, 1331356), (208, 1024120), (260, 819296), (320, 665678), (416, 512060), (520, 409648), (640, 332839), (832, 256030), (1040, 204824), (1664, 128015), (2080, 102412), (4160, 51206), (8320, 25603)]