85360640

素因数分解:

$2^{15}\times 5^1\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 205255620

約数和(自身を除く): 119894980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 521, 640, 1024, 1042, 1280, 2048, 2084, 2560, 2605, 4096, 4168, 5120, 5210, 8192, 8336, 10240, 10420, 16384, 16672, 20480, 20840, 32768, 33344, 40960, 41680, 66688, 81920, 83360, 133376, 163840, 166720, 266752, 333440, 533504, 666880, 1067008, 1333760, 2134016, 2667520, 4268032, 5335040, 8536064, 10670080, 17072128, 21340160, 42680320, 85360640]

約数ペア:

[(1, 85360640), (2, 42680320), (4, 21340160), (5, 17072128), (8, 10670080), (10, 8536064), (16, 5335040), (20, 4268032), (32, 2667520), (40, 2134016), (64, 1333760), (80, 1067008), (128, 666880), (160, 533504), (256, 333440), (320, 266752), (512, 166720), (521, 163840), (640, 133376), (1024, 83360), (1042, 81920), (1280, 66688), (2048, 41680), (2084, 40960), (2560, 33344), (2605, 32768), (4096, 20840), (4168, 20480), (5120, 16672), (5210, 16384), (8192, 10420), (8336, 10240)]