40241920

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 97498800

約数和(自身を除く): 57256880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 211, 256, 298, 320, 422, 596, 640, 745, 844, 1055, 1192, 1280, 1490, 1688, 2110, 2384, 2980, 3376, 4220, 4768, 5960, 6752, 8440, 9536, 11920, 13504, 16880, 19072, 23840, 27008, 31439, 33760, 38144, 47680, 54016, 62878, 67520, 95360, 125756, 135040, 157195, 190720, 251512, 270080, 314390, 503024, 628780, 1006048, 1257560, 2012096, 2515120, 4024192, 5030240, 8048384, 10060480, 20120960, 40241920]

約数ペア:

[(1, 40241920), (2, 20120960), (4, 10060480), (5, 8048384), (8, 5030240), (10, 4024192), (16, 2515120), (20, 2012096), (32, 1257560), (40, 1006048), (64, 628780), (80, 503024), (128, 314390), (149, 270080), (160, 251512), (211, 190720), (256, 157195), (298, 135040), (320, 125756), (422, 95360), (596, 67520), (640, 62878), (745, 54016), (844, 47680), (1055, 38144), (1192, 33760), (1280, 31439), (1490, 27008), (1688, 23840), (2110, 19072), (2384, 16880), (2980, 13504), (3376, 11920), (4220, 9536), (4768, 8440), (5960, 6752)]